Finding the Fourth Proportional to 70,987,687, 97,963,008.12 and 38,392,639
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Solution
The fourth proportional to 70,987,687, 97,963,008.12 and 38,392,639 is: 52,981,841.85
Step by Step Solution
- Step 1: Write the proportion equation
70,987,687 : 97,963,008.12 = 38,392,639 : x - Step 2: Convert to fraction form
70,987,687/97,963,008.12 = 38,392,639/x - Step 3: Cross multiply
70,987,687x = 97,963,008.12 × 38,392,639 - Step 4: Simplify right side
70,987,687x = 3,761,058,406,105,229 - Step 5: Solve for x
x = 3,761,058,406,105,229/70,987,687 - Step 6: Final answer
x = 52,981,841.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.