Home / 71,288,793.50-98,458,778.68-48,179,376.86

Finding the Fourth Proportional to 71,288,793.50, 98,458,778.68 and 48,179,376.86

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Solution

The fourth proportional to 71,288,793.50, 98,458,778.68 and 48,179,376.86 is: 66,541,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,288,793.50 : 98,458,778.68 = 48,179,376.86 : x
  2. Step 2: Convert to fraction form
    71,288,793.50/98,458,778.68 = 48,179,376.86/x
  3. Step 3: Cross multiply
    71,288,793.50x = 98,458,778.68 × 48,179,376.86
  4. Step 4: Simplify right side
    71,288,793.50x = 4,743,682,602,586,310
  5. Step 5: Solve for x
    x = 4,743,682,602,586,310/71,288,793.50
  6. Step 6: Final answer
    x = 66,541,771.43

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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.