Home / 71,288,792.25-98,458,776.95-48,179,375.61

Finding the Fourth Proportional to 71,288,792.25, 98,458,776.95 and 48,179,375.61

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Solution

The fourth proportional to 71,288,792.25, 98,458,776.95 and 48,179,375.61 is: 66,541,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,288,792.25 : 98,458,776.95 = 48,179,375.61 : x
  2. Step 2: Convert to fraction form
    71,288,792.25/98,458,776.95 = 48,179,375.61/x
  3. Step 3: Cross multiply
    71,288,792.25x = 98,458,776.95 × 48,179,375.61
  4. Step 4: Simplify right side
    71,288,792.25x = 4,743,682,396,775,260
  5. Step 5: Solve for x
    x = 4,743,682,396,775,260/71,288,792.25
  6. Step 6: Final answer
    x = 66,541,769.71

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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.