Home / 102,428,792.92-141,343,189.25-57,772,304.13

Finding the Fourth Proportional to 102,428,792.92, 141,343,189.25 and 57,772,304.13

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Solution

The fourth proportional to 102,428,792.92, 141,343,189.25 and 57,772,304.13 is: 79,720,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,428,792.92 : 141,343,189.25 = 57,772,304.13 : x
  2. Step 2: Convert to fraction form
    102,428,792.92/141,343,189.25 = 57,772,304.13/x
  3. Step 3: Cross multiply
    102,428,792.92x = 141,343,189.25 × 57,772,304.13
  4. Step 4: Simplify right side
    102,428,792.92x = 8,165,721,716,055,147
  5. Step 5: Solve for x
    x = 8,165,721,716,055,147/102,428,792.92
  6. Step 6: Final answer
    x = 79,720,960.13

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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.