Home / 87,412,501.80-131,165,991.90-38,897,843.40

Finding the Fourth Proportional to 87,412,501.80, 131,165,991.90 and 38,897,843.40

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Solution

The fourth proportional to 87,412,501.80, 131,165,991.90 and 38,897,843.40 is: 58,367,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,412,501.80 : 131,165,991.90 = 38,897,843.40 : x
  2. Step 2: Convert to fraction form
    87,412,501.80/131,165,991.90 = 38,897,843.40/x
  3. Step 3: Cross multiply
    87,412,501.80x = 131,165,991.90 × 38,897,843.40
  4. Step 4: Simplify right side
    87,412,501.80x = 5,102,074,212,331,868
  5. Step 5: Solve for x
    x = 5,102,074,212,331,868/87,412,501.80
  6. Step 6: Final answer
    x = 58,367,786.15

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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.