Home / 87,399,297.80-131,086,505.10-29,894,222.60

Finding the Fourth Proportional to 87,399,297.80, 131,086,505.10 and 29,894,222.60

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Solution

The fourth proportional to 87,399,297.80, 131,086,505.10 and 29,894,222.60 is: 44,837,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,399,297.80 : 131,086,505.10 = 29,894,222.60 : x
  2. Step 2: Convert to fraction form
    87,399,297.80/131,086,505.10 = 29,894,222.60/x
  3. Step 3: Cross multiply
    87,399,297.80x = 131,086,505.10 × 29,894,222.60
  4. Step 4: Simplify right side
    87,399,297.80x = 3,918,729,163,315,435.50
  5. Step 5: Solve for x
    x = 3,918,729,163,315,435.50/87,399,297.80
  6. Step 6: Final answer
    x = 44,837,078.35

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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.