Finding the Fourth Proportional to 87,676,982.20, 131,534,135.70 and 27,098,831.80
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Solution
The fourth proportional to 87,676,982.20, 131,534,135.70 and 27,098,831.80 is: 40,654,015.80
Step by Step Solution
- Step 1: Write the proportion equation
87,676,982.20 : 131,534,135.70 = 27,098,831.80 : x - Step 2: Convert to fraction form
87,676,982.20/131,534,135.70 = 27,098,831.80/x - Step 3: Cross multiply
87,676,982.20x = 131,534,135.70 × 27,098,831.80 - Step 4: Simplify right side
87,676,982.20x = 3,564,421,419,292,675.50 - Step 5: Solve for x
x = 3,564,421,419,292,675.50/87,676,982.20 - Step 6: Final answer
x = 40,654,015.80
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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.