Home / 87,577,608.60-131,177,456.10-72,461,064.60

Finding the Fourth Proportional to 87,577,608.60, 131,177,456.10 and 72,461,064.60

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Solution

The fourth proportional to 87,577,608.60, 131,177,456.10 and 72,461,064.60 is: 108,535,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,577,608.60 : 131,177,456.10 = 72,461,064.60 : x
  2. Step 2: Convert to fraction form
    87,577,608.60/131,177,456.10 = 72,461,064.60/x
  3. Step 3: Cross multiply
    87,577,608.60x = 131,177,456.10 × 72,461,064.60
  4. Step 4: Simplify right side
    87,577,608.60x = 9,505,258,120,525,762
  5. Step 5: Solve for x
    x = 9,505,258,120,525,762/87,577,608.60
  6. Step 6: Final answer
    x = 108,535,255.44

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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.