Home / 159,406,861.20-219,974,671.70-88,838,716.38

Finding the Fourth Proportional to 159,406,861.20, 219,974,671.70 and 88,838,716.38

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Solution

The fourth proportional to 159,406,861.20, 219,974,671.70 and 88,838,716.38 is: 122,593,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,406,861.20 : 219,974,671.70 = 88,838,716.38 : x
  2. Step 2: Convert to fraction form
    159,406,861.20/219,974,671.70 = 88,838,716.38/x
  3. Step 3: Cross multiply
    159,406,861.20x = 219,974,671.70 × 88,838,716.38
  4. Step 4: Simplify right side
    159,406,861.20x = 19,542,267,469,939,912
  5. Step 5: Solve for x
    x = 19,542,267,469,939,912/159,406,861.20
  6. Step 6: Final answer
    x = 122,593,640.72

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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.