Home / 120,125,086.56-165,781,117.26-67,914,616.86

Finding the Fourth Proportional to 120,125,086.56, 165,781,117.26 and 67,914,616.86

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Solution

The fourth proportional to 120,125,086.56, 165,781,117.26 and 67,914,616.86 is: 93,726,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,125,086.56 : 165,781,117.26 = 67,914,616.86 : x
  2. Step 2: Convert to fraction form
    120,125,086.56/165,781,117.26 = 67,914,616.86/x
  3. Step 3: Cross multiply
    120,125,086.56x = 165,781,117.26 × 67,914,616.86
  4. Step 4: Simplify right side
    120,125,086.56x = 11,258,961,061,335,632
  5. Step 5: Solve for x
    x = 11,258,961,061,335,632/120,125,086.56
  6. Step 6: Final answer
    x = 93,726,975.64

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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.