Home / 87,658,679.88-131,505,953.22-30,143,481.48

Finding the Fourth Proportional to 87,658,679.88, 131,505,953.22 and 30,143,481.48

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Solution

The fourth proportional to 87,658,679.88, 131,505,953.22 and 30,143,481.48 is: 45,221,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,658,679.88 : 131,505,953.22 = 30,143,481.48 : x
  2. Step 2: Convert to fraction form
    87,658,679.88/131,505,953.22 = 30,143,481.48/x
  3. Step 3: Cross multiply
    87,658,679.88x = 131,505,953.22 × 30,143,481.48
  4. Step 4: Simplify right side
    87,658,679.88x = 3,964,047,265,396,816.50
  5. Step 5: Solve for x
    x = 3,964,047,265,396,816.50/87,658,679.88
  6. Step 6: Final answer
    x = 45,221,389.04

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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.