Home / 87,275,855.28-130,932,942.24-25,869,750.42

Finding the Fourth Proportional to 87,275,855.28, 130,932,942.24 and 25,869,750.42

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Solution

The fourth proportional to 87,275,855.28, 130,932,942.24 and 25,869,750.42 is: 38,810,304.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,275,855.28 : 130,932,942.24 = 25,869,750.42 : x
  2. Step 2: Convert to fraction form
    87,275,855.28/130,932,942.24 = 25,869,750.42/x
  3. Step 3: Cross multiply
    87,275,855.28x = 130,932,942.24 × 25,869,750.42
  4. Step 4: Simplify right side
    87,275,855.28x = 3,387,202,537,505,076
  5. Step 5: Solve for x
    x = 3,387,202,537,505,076/87,275,855.28
  6. Step 6: Final answer
    x = 38,810,304.71

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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.