Finding the Fourth Proportional to 157,748,854.68, 217,693,511.64 and 88,134,235.38
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Solution
The fourth proportional to 157,748,854.68, 217,693,511.64 and 88,134,235.38 is: 121,625,296.33
Step by Step Solution
- Step 1: Write the proportion equation
157,748,854.68 : 217,693,511.64 = 88,134,235.38 : x - Step 2: Convert to fraction form
157,748,854.68/217,693,511.64 = 88,134,235.38/x - Step 3: Cross multiply
157,748,854.68x = 217,693,511.64 × 88,134,235.38 - Step 4: Simplify right side
157,748,854.68x = 19,186,251,195,578,528 - Step 5: Solve for x
x = 19,186,251,195,578,528/157,748,854.68 - Step 6: Final answer
x = 121,625,296.33
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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.