Home / 88,578,082.10-132,867,123.15-81,187,771.70

Finding the Fourth Proportional to 88,578,082.10, 132,867,123.15 and 81,187,771.70

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Solution

The fourth proportional to 88,578,082.10, 132,867,123.15 and 81,187,771.70 is: 121,781,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578,082.10 : 132,867,123.15 = 81,187,771.70 : x
  2. Step 2: Convert to fraction form
    88,578,082.10/132,867,123.15 = 81,187,771.70/x
  3. Step 3: Cross multiply
    88,578,082.10x = 132,867,123.15 × 81,187,771.70
  4. Step 4: Simplify right side
    88,578,082.10x = 10,787,185,660,737,986
  5. Step 5: Solve for x
    x = 10,787,185,660,737,986/88,578,082.10
  6. Step 6: Final answer
    x = 121,781,657.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.