Finding the Fourth Proportional to 71,622,497.97, 107,433,612.94 and 22,442,116.30
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Solution
The fourth proportional to 71,622,497.97, 107,433,612.94 and 22,442,116.30 is: 33,663,132.46
Step by Step Solution
- Step 1: Write the proportion equation
71,622,497.97 : 107,433,612.94 = 22,442,116.30 : x - Step 2: Convert to fraction form
71,622,497.97/107,433,612.94 = 22,442,116.30/x - Step 3: Cross multiply
71,622,497.97x = 107,433,612.94 × 22,442,116.30 - Step 4: Simplify right side
71,622,497.97x = 2,411,037,636,128,665 - Step 5: Solve for x
x = 2,411,037,636,128,665/71,622,497.97 - Step 6: Final answer
x = 33,663,132.46
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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.