Home / 69,143,638.59-95,418,025.38-38,203,587.45

Finding the Fourth Proportional to 69,143,638.59, 95,418,025.38 and 38,203,587.45

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Solution

The fourth proportional to 69,143,638.59, 95,418,025.38 and 38,203,587.45 is: 52,720,842.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,143,638.59 : 95,418,025.38 = 38,203,587.45 : x
  2. Step 2: Convert to fraction form
    69,143,638.59/95,418,025.38 = 38,203,587.45/x
  3. Step 3: Cross multiply
    69,143,638.59x = 95,418,025.38 × 38,203,587.45
  4. Step 4: Simplify right side
    69,143,638.59x = 3,645,310,876,911,149.50
  5. Step 5: Solve for x
    x = 3,645,310,876,911,149.50/69,143,638.59
  6. Step 6: Final answer
    x = 52,720,842.46

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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.