Home / 159,690,717.60-220,374,511.20-88,165,903.20

Finding the Fourth Proportional to 159,690,717.60, 220,374,511.20 and 88,165,903.20

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Solution

The fourth proportional to 159,690,717.60, 220,374,511.20 and 88,165,903.20 is: 121,669,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,690,717.60 : 220,374,511.20 = 88,165,903.20 : x
  2. Step 2: Convert to fraction form
    159,690,717.60/220,374,511.20 = 88,165,903.20/x
  3. Step 3: Cross multiply
    159,690,717.60x = 220,374,511.20 × 88,165,903.20
  4. Step 4: Simplify right side
    159,690,717.60x = 19,429,517,822,206,516
  5. Step 5: Solve for x
    x = 19,429,517,822,206,516/159,690,717.60
  6. Step 6: Final answer
    x = 121,669,675.70

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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.