Finding the Fourth Proportional to 88,156,948.80, 132,235,423.20 and 63,844,507.20
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Solution
The fourth proportional to 88,156,948.80, 132,235,423.20 and 63,844,507.20 is: 95,766,760.80
Step by Step Solution
- Step 1: Write the proportion equation
88,156,948.80 : 132,235,423.20 = 63,844,507.20 : x - Step 2: Convert to fraction form
88,156,948.80/132,235,423.20 = 63,844,507.20/x - Step 3: Cross multiply
88,156,948.80x = 132,235,423.20 × 63,844,507.20 - Step 4: Simplify right side
88,156,948.80x = 8,442,505,428,587,448 - Step 5: Solve for x
x = 8,442,505,428,587,448/88,156,948.80 - Step 6: Final answer
x = 95,766,760.80
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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.