Finding the Fourth Proportional to 88,068,472.80, 132,102,709.20 and 63,756,031.20
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Solution
The fourth proportional to 88,068,472.80, 132,102,709.20 and 63,756,031.20 is: 95,634,046.80
Step by Step Solution
- Step 1: Write the proportion equation
88,068,472.80 : 132,102,709.20 = 63,756,031.20 : x - Step 2: Convert to fraction form
88,068,472.80/132,102,709.20 = 63,756,031.20/x - Step 3: Cross multiply
88,068,472.80x = 132,102,709.20 × 63,756,031.20 - Step 4: Simplify right side
88,068,472.80x = 8,422,344,449,359,728 - Step 5: Solve for x
x = 8,422,344,449,359,728/88,068,472.80 - Step 6: Final answer
x = 95,634,046.80
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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.