Home / 87,652,318.24-120,998,942.76-52,382,568.88

Finding the Fourth Proportional to 87,652,318.24, 120,998,942.76 and 52,382,568.88

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Solution

The fourth proportional to 87,652,318.24, 120,998,942.76 and 52,382,568.88 is: 72,311,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,652,318.24 : 120,998,942.76 = 52,382,568.88 : x
  2. Step 2: Convert to fraction form
    87,652,318.24/120,998,942.76 = 52,382,568.88/x
  3. Step 3: Cross multiply
    87,652,318.24x = 120,998,942.76 × 52,382,568.88
  4. Step 4: Simplify right side
    87,652,318.24x = 6,338,235,453,532,878
  5. Step 5: Solve for x
    x = 6,338,235,453,532,878/87,652,318.24
  6. Step 6: Final answer
    x = 72,311,098.91

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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.