Home / 52,178,624.20-78,267,936.30-18,103,414.60

Finding the Fourth Proportional to 52,178,624.20, 78,267,936.30 and 18,103,414.60

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Solution

The fourth proportional to 52,178,624.20, 78,267,936.30 and 18,103,414.60 is: 27,155,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178,624.20 : 78,267,936.30 = 18,103,414.60 : x
  2. Step 2: Convert to fraction form
    52,178,624.20/78,267,936.30 = 18,103,414.60/x
  3. Step 3: Cross multiply
    52,178,624.20x = 78,267,936.30 × 18,103,414.60
  4. Step 4: Simplify right side
    52,178,624.20x = 1,416,916,900,725,290
  5. Step 5: Solve for x
    x = 1,416,916,900,725,290/52,178,624.20
  6. Step 6: Final answer
    x = 27,155,121.90

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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.