Home / 87,483,991.20-131,121,010.80-60,190,231.20

Finding the Fourth Proportional to 87,483,991.20, 131,121,010.80 and 60,190,231.20

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Solution

The fourth proportional to 87,483,991.20, 131,121,010.80 and 60,190,231.20 is: 90,213,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,483,991.20 : 131,121,010.80 = 60,190,231.20 : x
  2. Step 2: Convert to fraction form
    87,483,991.20/131,121,010.80 = 60,190,231.20/x
  3. Step 3: Cross multiply
    87,483,991.20x = 131,121,010.80 × 60,190,231.20
  4. Step 4: Simplify right side
    87,483,991.20x = 7,892,203,955,229,697
  5. Step 5: Solve for x
    x = 7,892,203,955,229,697/87,483,991.20
  6. Step 6: Final answer
    x = 90,213,121.82

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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.