Finding the Fourth Proportional to 57,132,167.84, 78,866,519.70 and 38,572,451
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Solution
The fourth proportional to 57,132,167.84, 78,866,519.70 and 38,572,451 is: 53,246,272.31
Step by Step Solution
- Step 1: Write the proportion equation
57,132,167.84 : 78,866,519.70 = 38,572,451 : x - Step 2: Convert to fraction form
57,132,167.84/78,866,519.70 = 38,572,451/x - Step 3: Cross multiply
57,132,167.84x = 78,866,519.70 × 38,572,451 - Step 4: Simplify right side
57,132,167.84x = 3,042,074,966,668,785 - Step 5: Solve for x
x = 3,042,074,966,668,785/57,132,167.84 - Step 6: Final answer
x = 53,246,272.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.