Finding the Fourth Proportional to 53,011,650.80, 79,517,476.20 and 36,887,337.20
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Solution
The fourth proportional to 53,011,650.80, 79,517,476.20 and 36,887,337.20 is: 55,331,005.80
Step by Step Solution
- Step 1: Write the proportion equation
53,011,650.80 : 79,517,476.20 = 36,887,337.20 : x - Step 2: Convert to fraction form
53,011,650.80/79,517,476.20 = 36,887,337.20/x - Step 3: Cross multiply
53,011,650.80x = 79,517,476.20 × 36,887,337.20 - Step 4: Simplify right side
53,011,650.80x = 2,933,187,957,882,375 - Step 5: Solve for x
x = 2,933,187,957,882,375/53,011,650.80 - Step 6: Final answer
x = 55,331,005.80
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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.