Home / 87,387,008.70-131,098,009.05-25,976,048.70

Finding the Fourth Proportional to 87,387,008.70, 131,098,009.05 and 25,976,048.70

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Solution

The fourth proportional to 87,387,008.70, 131,098,009.05 and 25,976,048.70 is: 38,969,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,387,008.70 : 131,098,009.05 = 25,976,048.70 : x
  2. Step 2: Convert to fraction form
    87,387,008.70/131,098,009.05 = 25,976,048.70/x
  3. Step 3: Cross multiply
    87,387,008.70x = 131,098,009.05 × 25,976,048.70
  4. Step 4: Simplify right side
    87,387,008.70x = 3,405,408,267,555,840.50
  5. Step 5: Solve for x
    x = 3,405,408,267,555,840.50/87,387,008.70
  6. Step 6: Final answer
    x = 38,969,273.79

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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.