Finding the Fourth Proportional to 197,321,275,445.26, 272,296,068,637.05 and 107,098,791,966.95
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Solution
The fourth proportional to 197,321,275,445.26, 272,296,068,637.05 and 107,098,791,966.95 is: 147,792,375,366.38
Step by Step Solution
- Step 1: Write the proportion equation
197,321,275,445.26 : 272,296,068,637.05 = 107,098,791,966.95 : x - Step 2: Convert to fraction form
197,321,275,445.26/272,296,068,637.05 = 107,098,791,966.95/x - Step 3: Cross multiply
197,321,275,445.26x = 272,296,068,637.05 × 107,098,791,966.95 - Step 4: Simplify right side
197,321,275,445.26x = 29,162,580,008,377,755,107,328 - Step 5: Solve for x
x = 29,162,580,008,377,755,107,328/197,321,275,445.26 - Step 6: Final answer
x = 147,792,375,366.38
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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.