Finding the Fourth Proportional to 229,395,041.99, 316,482,117.75 and 150,055,390.88
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Solution
The fourth proportional to 229,395,041.99, 316,482,117.75 and 150,055,390.88 is: 207,022,119.89
Step by Step Solution
- Step 1: Write the proportion equation
229,395,041.99 : 316,482,117.75 = 150,055,390.88 : x - Step 2: Convert to fraction form
229,395,041.99/316,482,117.75 = 150,055,390.88/x - Step 3: Cross multiply
229,395,041.99x = 316,482,117.75 × 150,055,390.88 - Step 4: Simplify right side
229,395,041.99x = 47,489,847,885,506,432 - Step 5: Solve for x
x = 47,489,847,885,506,432/229,395,041.99 - Step 6: Final answer
x = 207,022,119.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.