Home / 87,605,781.66-131,337,810.05-53,515,612.98

Finding the Fourth Proportional to 87,605,781.66, 131,337,810.05 and 53,515,612.98

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Solution

The fourth proportional to 87,605,781.66, 131,337,810.05 and 53,515,612.98 is: 80,230,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,605,781.66 : 131,337,810.05 = 53,515,612.98 : x
  2. Step 2: Convert to fraction form
    87,605,781.66/131,337,810.05 = 53,515,612.98/x
  3. Step 3: Cross multiply
    87,605,781.66x = 131,337,810.05 × 53,515,612.98
  4. Step 4: Simplify right side
    87,605,781.66x = 7,028,623,412,008,976
  5. Step 5: Solve for x
    x = 7,028,623,412,008,976/87,605,781.66
  6. Step 6: Final answer
    x = 80,230,131.83

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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.