Home / 87,967,302.60-131,727,005.10-83,936,224.20

Finding the Fourth Proportional to 87,967,302.60, 131,727,005.10 and 83,936,224.20

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Solution

The fourth proportional to 87,967,302.60, 131,727,005.10 and 83,936,224.20 is: 125,690,649.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,967,302.60 : 131,727,005.10 = 83,936,224.20 : x
  2. Step 2: Convert to fraction form
    87,967,302.60/131,727,005.10 = 83,936,224.20/x
  3. Step 3: Cross multiply
    87,967,302.60x = 131,727,005.10 × 83,936,224.20
  4. Step 4: Simplify right side
    87,967,302.60x = 11,056,667,433,268,144
  5. Step 5: Solve for x
    x = 11,056,667,433,268,144/87,967,302.60
  6. Step 6: Final answer
    x = 125,690,649.89

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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.