Home / 69,143,640.60-95,418,028.14-38,203,589.46

Finding the Fourth Proportional to 69,143,640.60, 95,418,028.14 and 38,203,589.46

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Solution

The fourth proportional to 69,143,640.60, 95,418,028.14 and 38,203,589.46 is: 52,720,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,143,640.60 : 95,418,028.14 = 38,203,589.46 : x
  2. Step 2: Convert to fraction form
    69,143,640.60/95,418,028.14 = 38,203,589.46/x
  3. Step 3: Cross multiply
    69,143,640.60x = 95,418,028.14 × 38,203,589.46
  4. Step 4: Simplify right side
    69,143,640.60x = 3,645,311,174,143,287.50
  5. Step 5: Solve for x
    x = 3,645,311,174,143,287.50/69,143,640.60
  6. Step 6: Final answer
    x = 52,720,845.22

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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.