Finding the Fourth Proportional to 87,676,990.20, 131,534,147.70 and 27,098,839.80
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Solution
The fourth proportional to 87,676,990.20, 131,534,147.70 and 27,098,839.80 is: 40,654,027.80
Step by Step Solution
- Step 1: Write the proportion equation
87,676,990.20 : 131,534,147.70 = 27,098,839.80 : x - Step 2: Convert to fraction form
87,676,990.20/131,534,147.70 = 27,098,839.80/x - Step 3: Cross multiply
87,676,990.20x = 131,534,147.70 × 27,098,839.80 - Step 4: Simplify right side
87,676,990.20x = 3,564,422,796,751,838.50 - Step 5: Solve for x
x = 3,564,422,796,751,838.50/87,676,990.20 - Step 6: Final answer
x = 40,654,027.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.