Finding the Fourth Proportional to 57,452,437.80, 86,178,656.70 and 27,219,349.80
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Solution
The fourth proportional to 57,452,437.80, 86,178,656.70 and 27,219,349.80 is: 40,829,024.70
Step by Step Solution
- Step 1: Write the proportion equation
57,452,437.80 : 86,178,656.70 = 27,219,349.80 : x - Step 2: Convert to fraction form
57,452,437.80/86,178,656.70 = 27,219,349.80/x - Step 3: Cross multiply
57,452,437.80x = 86,178,656.70 × 27,219,349.80 - Step 4: Simplify right side
57,452,437.80x = 2,345,727,002,011,414 - Step 5: Solve for x
x = 2,345,727,002,011,414/57,452,437.80 - Step 6: Final answer
x = 40,829,024.70
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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.