Home / 122,787,188.04-169,445,280.12-67,781,863.56

Finding the Fourth Proportional to 122,787,188.04, 169,445,280.12 and 67,781,863.56

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Solution

The fourth proportional to 122,787,188.04, 169,445,280.12 and 67,781,863.56 is: 93,538,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,787,188.04 : 169,445,280.12 = 67,781,863.56 : x
  2. Step 2: Convert to fraction form
    122,787,188.04/169,445,280.12 = 67,781,863.56/x
  3. Step 3: Cross multiply
    122,787,188.04x = 169,445,280.12 × 67,781,863.56
  4. Step 4: Simplify right side
    122,787,188.04x = 11,485,316,857,979,822
  5. Step 5: Solve for x
    x = 11,485,316,857,979,822/122,787,188.04
  6. Step 6: Final answer
    x = 93,538,397.95

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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.