Home / 69,149,266.80-95,431,430.22-39,381,171.20

Finding the Fourth Proportional to 69,149,266.80, 95,431,430.22 and 39,381,171.20

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Solution

The fourth proportional to 69,149,266.80, 95,431,430.22 and 39,381,171.20 is: 54,349,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,149,266.80 : 95,431,430.22 = 39,381,171.20 : x
  2. Step 2: Convert to fraction form
    69,149,266.80/95,431,430.22 = 39,381,171.20/x
  3. Step 3: Cross multiply
    69,149,266.80x = 95,431,430.22 × 39,381,171.20
  4. Step 4: Simplify right side
    69,149,266.80x = 3,758,201,491,354,674
  5. Step 5: Solve for x
    x = 3,758,201,491,354,674/69,149,266.80
  6. Step 6: Final answer
    x = 54,349,115.55

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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.