Home / 234,121,867.92-323,108,018.24-129,732,683.76

Finding the Fourth Proportional to 234,121,867.92, 323,108,018.24 and 129,732,683.76

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Solution

The fourth proportional to 234,121,867.92, 323,108,018.24 and 129,732,683.76 is: 179,042,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,121,867.92 : 323,108,018.24 = 129,732,683.76 : x
  2. Step 2: Convert to fraction form
    234,121,867.92/323,108,018.24 = 129,732,683.76/x
  3. Step 3: Cross multiply
    234,121,867.92x = 323,108,018.24 × 129,732,683.76
  4. Step 4: Simplify right side
    234,121,867.92x = 41,917,670,350,650,232
  5. Step 5: Solve for x
    x = 41,917,670,350,650,232/234,121,867.92
  6. Step 6: Final answer
    x = 179,042,097.70

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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.