Finding the Fourth Proportional to 88,564,805.20, 132,847,207.80 and 54,375,288.40
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Solution
The fourth proportional to 88,564,805.20, 132,847,207.80 and 54,375,288.40 is: 81,562,932.60
Step by Step Solution
- Step 1: Write the proportion equation
88,564,805.20 : 132,847,207.80 = 54,375,288.40 : x - Step 2: Convert to fraction form
88,564,805.20/132,847,207.80 = 54,375,288.40/x - Step 3: Cross multiply
88,564,805.20x = 132,847,207.80 × 54,375,288.40 - Step 4: Simplify right side
88,564,805.20x = 7,223,605,237,259,729 - Step 5: Solve for x
x = 7,223,605,237,259,729/88,564,805.20 - Step 6: Final answer
x = 81,562,932.60
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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.