Home / 80,123,489.13-110,535,309.14-47,068,826.66

Finding the Fourth Proportional to 80,123,489.13, 110,535,309.14 and 47,068,826.66

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Solution

The fourth proportional to 80,123,489.13, 110,535,309.14 and 47,068,826.66 is: 64,934,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,123,489.13 : 110,535,309.14 = 47,068,826.66 : x
  2. Step 2: Convert to fraction form
    80,123,489.13/110,535,309.14 = 47,068,826.66/x
  3. Step 3: Cross multiply
    80,123,489.13x = 110,535,309.14 × 47,068,826.66
  4. Step 4: Simplify right side
    80,123,489.13x = 5,202,767,304,932,153
  5. Step 5: Solve for x
    x = 5,202,767,304,932,153/80,123,489.13
  6. Step 6: Final answer
    x = 64,934,357.72

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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.