Home / 99,587,115.20-149,380,672.80-82,581,003.20

Finding the Fourth Proportional to 99,587,115.20, 149,380,672.80 and 82,581,003.20

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Solution

The fourth proportional to 99,587,115.20, 149,380,672.80 and 82,581,003.20 is: 123,871,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,587,115.20 : 149,380,672.80 = 82,581,003.20 : x
  2. Step 2: Convert to fraction form
    99,587,115.20/149,380,672.80 = 82,581,003.20/x
  3. Step 3: Cross multiply
    99,587,115.20x = 149,380,672.80 × 82,581,003.20
  4. Step 4: Simplify right side
    99,587,115.20x = 12,336,005,818,514,954
  5. Step 5: Solve for x
    x = 12,336,005,818,514,954/99,587,115.20
  6. Step 6: Final answer
    x = 123,871,504.80

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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.