Home / 87,389,667.32-120,597,147.88-48,231,443.66

Finding the Fourth Proportional to 87,389,667.32, 120,597,147.88 and 48,231,443.66

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Solution

The fourth proportional to 87,389,667.32, 120,597,147.88 and 48,231,443.66 is: 66,559,064.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,389,667.32 : 120,597,147.88 = 48,231,443.66 : x
  2. Step 2: Convert to fraction form
    87,389,667.32/120,597,147.88 = 48,231,443.66/x
  3. Step 3: Cross multiply
    87,389,667.32x = 120,597,147.88 × 48,231,443.66
  4. Step 4: Simplify right side
    87,389,667.32x = 5,816,574,542,807,344
  5. Step 5: Solve for x
    x = 5,816,574,542,807,344/87,389,667.32
  6. Step 6: Final answer
    x = 66,559,064.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.