The World's Greatest Get-Rich Formula

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You should be highly skeptical of any and all get-rich schemes ... except for the super-simple formula I'm going to show you below. Because this one really works.

It works so well that it's been used by the world's billionaires -- from moguls of yesteryear such as Rockefeller and Ford to today's tycoons Carlos Slim and Warren Buffett.

But enough already. Let's get to the formula.

The formula
It is, simply:

FV = PV * (1+r) ^ n

Where:

FV = future value
PV = present value
r = rate of return
n = time (or number of years)

Compounding 101
Now, some astute finance brains will know that equation not as some mystical secret but as the "future value of money" (FVM) equation taught in college.

The FVM formula simply states that your future wealth (FV) is a function of three variables: the amount of money invested today (PV), the rate of return generated (r), and the length of time in which that money is put to work (n). So maximizing future riches requires three steps.

Step 1: Increase PV
It takes money to make money. But by actively and consistently slivering off a portion of your earnings every month to save and invest, you'll have more and more of that money working for you.

All things equal, the greater amount you invest today (PV), the greater wealth you'll build for tomorrow (FV).

Step 2: Increase r
Next, you'll need a way to grow that capital. Historically, the stock market has been the most effective wealth-building vehicle of all. Plowing your money into a low-cost index fund wouldn't be a bad idea.

But if you really want to maximize r, you'll need to allocate a portion of your portfolio to the best segment of the market over the past 50 years: small-cap value stocks. The reason is simple. Unlike behemoths such as $371 billion General Electric (NYSE: GE) and $164 billion Altria (NYSE: MO) -- whose spectacular growth days are behind them -- reasonably priced small caps have tons of room to rocket. Take a look at Fama and French data, which tracked stocks from 1956 to 2005:

	Value	Growth
Large caps	13.3%	9.7%
Small caps	17.3%	8.7%
Total stock market	10.5%

Not adjusted for inflation.

All things equal, the greater your rate of return (r), the greater wealth you'll build for tomorrow (FV).

Step 3: Increase n
The last ingredient in our super-simple wealth-building recipe: maximum time in the market.

Look back at the equation. You'll see that n is an exponential function -- meaning that for every year you're not invested, you give up the awesome (almost magical) benefits of compounding.

All things equal, the longer you're invested (n), the greater wealth you'll build for tomorrow (FV).

Plug and chug
To get a feel for the three-step process in action, let's go back in time to see what kind of wealth would have been generated had someone:

1. Invested $40,000 in the stock market
2. Started 10 years ago
3. Divided the money among five stocks having: market caps less than $2 billion (to screen for small size), sales growth greater than 15% (to screen for above-average opportunities), and price-to-sales ratios of less than 1.5 (to screen for a good price).

Here's what it would look like:

Company	Amount invested 10 years ago	Average compounded return over last 10 years	Total value of investment today
Middleby (Nasdaq: MIDD)	$8,000	31%	$119,070
JAKKS Pacific (Nasdaq: JAKK)	$8,000	16%	$35,291
Oceaneering International (NYSE: OII)	$8,000	21%	$53,820
Forward Air (Nasdaq: FWRD)	$8,000	24%	$68,755
VSE (Nasdaq: VSEC)	$8,000	27%	$87,323
	Total amount invested (PV)	Avg. annual return of portfolio (r)	Total value of portfolio today (FV)
	$40,000	24.72%	$364,259

By having bought into five high-quality, reasonably priced companies while they were still babies, that $40,000 stake would be worth more than $350,000 today.

Of course, you can always fiddle with the numbers to generate different levels of FV, but our objective should remain the same:

1. Maximize PV by sticking to an investment plan.
2. Maximize r by devoting a chunk of your portfolio to superior small caps at attractive prices.
3. Maximize n by investing as soon as possible and for as long as possible.

The final Foolish variable
So don't waste another "n." Start plugging whopping returns into your own real-life wealth equation today.

If you need a few small-cap ideas to start you off, our specialists at Motley Fool Hidden Gems can help. Advisors Tom Gardner and Bill Mann make sure subscribers get the absolute most from the FVM formula. Since the newsletter's inception in 2003, their picks are up an average of 50%, versus 20% for like amounts invested in the S&P 500. You can see their five favorite small caps for new money with a free 30-day trial. To learn more, click here.

This article was first published Oct. 12, 2007. It has been updated.

Fool contributor Brian Pacampara tried to get rich quick once, but his idea for a cold-air balloon never got off the ground. He owns no position in any of the companies mentioned. Middleby is a Hidden Gems recommendation. The Fool has a disclosure policy.