Home / 87,835,155.78-131,780,268.42-52,858,434.42

Finding the Fourth Proportional to 87,835,155.78, 131,780,268.42 and 52,858,434.42

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Solution

The fourth proportional to 87,835,155.78, 131,780,268.42 and 52,858,434.42 is: 79,304,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,835,155.78 : 131,780,268.42 = 52,858,434.42 : x
  2. Step 2: Convert to fraction form
    87,835,155.78/131,780,268.42 = 52,858,434.42/x
  3. Step 3: Cross multiply
    87,835,155.78x = 131,780,268.42 × 52,858,434.42
  4. Step 4: Simplify right side
    87,835,155.78x = 6,965,698,676,128,567
  5. Step 5: Solve for x
    x = 6,965,698,676,128,567/87,835,155.78
  6. Step 6: Final answer
    x = 79,304,221.80

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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.