Home / 234,241,842.31-323,253,773.02-129,826,654.72

Finding the Fourth Proportional to 234,241,842.31, 323,253,773.02 and 129,826,654.72

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Solution

The fourth proportional to 234,241,842.31, 323,253,773.02 and 129,826,654.72 is: 179,160,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,241,842.31 : 323,253,773.02 = 129,826,654.72 : x
  2. Step 2: Convert to fraction form
    234,241,842.31/323,253,773.02 = 129,826,654.72/x
  3. Step 3: Cross multiply
    234,241,842.31x = 323,253,773.02 × 129,826,654.72
  4. Step 4: Simplify right side
    234,241,842.31x = 41,966,955,976,804,792
  5. Step 5: Solve for x
    x = 41,966,955,976,804,792/234,241,842.31
  6. Step 6: Final answer
    x = 179,160,800.49

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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.