Home / 87,768,288.39-131,706,243.65-39,287,134.83

Finding the Fourth Proportional to 87,768,288.39, 131,706,243.65 and 39,287,134.83

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Solution

The fourth proportional to 87,768,288.39, 131,706,243.65 and 39,287,134.83 is: 58,954,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,768,288.39 : 131,706,243.65 = 39,287,134.83 : x
  2. Step 2: Convert to fraction form
    87,768,288.39/131,706,243.65 = 39,287,134.83/x
  3. Step 3: Cross multiply
    87,768,288.39x = 131,706,243.65 × 39,287,134.83
  4. Step 4: Simplify right side
    87,768,288.39x = 5,174,360,952,033,945
  5. Step 5: Solve for x
    x = 5,174,360,952,033,945/87,768,288.39
  6. Step 6: Final answer
    x = 58,954,789.33

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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.