Home / 161,545,815.20-242,320,105.20-53,840,439.20

Finding the Fourth Proportional to 161,545,815.20, 242,320,105.20 and 53,840,439.20

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Solution

The fourth proportional to 161,545,815.20, 242,320,105.20 and 53,840,439.20 is: 80,761,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,545,815.20 : 242,320,105.20 = 53,840,439.20 : x
  2. Step 2: Convert to fraction form
    161,545,815.20/242,320,105.20 = 53,840,439.20/x
  3. Step 3: Cross multiply
    161,545,815.20x = 242,320,105.20 × 53,840,439.20
  4. Step 4: Simplify right side
    161,545,815.20x = 13,046,620,890,958,204
  5. Step 5: Solve for x
    x = 13,046,620,890,958,204/161,545,815.20
  6. Step 6: Final answer
    x = 80,761,119.53

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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.