Home / 72,436,515.30-108,654,772.95-23,921,856.90

Finding the Fourth Proportional to 72,436,515.30, 108,654,772.95 and 23,921,856.90

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Solution

The fourth proportional to 72,436,515.30, 108,654,772.95 and 23,921,856.90 is: 35,882,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,436,515.30 : 108,654,772.95 = 23,921,856.90 : x
  2. Step 2: Convert to fraction form
    72,436,515.30/108,654,772.95 = 23,921,856.90/x
  3. Step 3: Cross multiply
    72,436,515.30x = 108,654,772.95 × 23,921,856.90
  4. Step 4: Simplify right side
    72,436,515.30x = 2,599,223,930,011,891
  5. Step 5: Solve for x
    x = 2,599,223,930,011,891/72,436,515.30
  6. Step 6: Final answer
    x = 35,882,785.35

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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.