Home / 72,757,414.85-109,136,122.28-49,799,163.65

Finding the Fourth Proportional to 72,757,414.85, 109,136,122.28 and 49,799,163.65

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Solution

The fourth proportional to 72,757,414.85, 109,136,122.28 and 49,799,163.65 is: 74,698,745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,757,414.85 : 109,136,122.28 = 49,799,163.65 : x
  2. Step 2: Convert to fraction form
    72,757,414.85/109,136,122.28 = 49,799,163.65/x
  3. Step 3: Cross multiply
    72,757,414.85x = 109,136,122.28 × 49,799,163.65
  4. Step 4: Simplify right side
    72,757,414.85x = 5,434,887,613,299,135
  5. Step 5: Solve for x
    x = 5,434,887,613,299,135/72,757,414.85
  6. Step 6: Final answer
    x = 74,698,745.48

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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.