Finding the Fourth Proportional to 131,704,737.60, 197,578,101.60 and 54,988,276.80
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Solution
The fourth proportional to 131,704,737.60, 197,578,101.60 and 54,988,276.80 is: 82,491,180.94
Step by Step Solution
- Step 1: Write the proportion equation
131,704,737.60 : 197,578,101.60 = 54,988,276.80 : x - Step 2: Convert to fraction form
131,704,737.60/197,578,101.60 = 54,988,276.80/x - Step 3: Cross multiply
131,704,737.60x = 197,578,101.60 × 54,988,276.80 - Step 4: Simplify right side
131,704,737.60x = 10,864,479,340,399,322 - Step 5: Solve for x
x = 10,864,479,340,399,322/131,704,737.60 - Step 6: Final answer
x = 82,491,180.94
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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.