Home / 69,143,641.10-95,418,028.83-38,203,589.96

Finding the Fourth Proportional to 69,143,641.10, 95,418,028.83 and 38,203,589.96

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Solution

The fourth proportional to 69,143,641.10, 95,418,028.83 and 38,203,589.96 is: 52,720,845.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,143,641.10 : 95,418,028.83 = 38,203,589.96 : x
  2. Step 2: Convert to fraction form
    69,143,641.10/95,418,028.83 = 38,203,589.96/x
  3. Step 3: Cross multiply
    69,143,641.10x = 95,418,028.83 × 38,203,589.96
  4. Step 4: Simplify right side
    69,143,641.10x = 3,645,311,248,212,778.50
  5. Step 5: Solve for x
    x = 3,645,311,248,212,778.50/69,143,641.10
  6. Step 6: Final answer
    x = 52,720,845.91

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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.