Home / 141,755,286.71-212,302,537.13-136,845,657.20

Finding the Fourth Proportional to 141,755,286.71, 212,302,537.13 and 136,845,657.20

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Solution

The fourth proportional to 141,755,286.71, 212,302,537.13 and 136,845,657.20 is: 204,949,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,755,286.71 : 212,302,537.13 = 136,845,657.20 : x
  2. Step 2: Convert to fraction form
    141,755,286.71/212,302,537.13 = 136,845,657.20/x
  3. Step 3: Cross multiply
    141,755,286.71x = 212,302,537.13 × 136,845,657.20
  4. Step 4: Simplify right side
    141,755,286.71x = 29,052,680,218,098,020
  5. Step 5: Solve for x
    x = 29,052,680,218,098,020/141,755,286.71
  6. Step 6: Final answer
    x = 204,949,535.87

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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.