Home / 80,626,708.60-120,895,195.38-47,850,596.44

Finding the Fourth Proportional to 80,626,708.60, 120,895,195.38 and 47,850,596.44

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Solution

The fourth proportional to 80,626,708.60, 120,895,195.38 and 47,850,596.44 is: 71,749,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,626,708.60 : 120,895,195.38 = 47,850,596.44 : x
  2. Step 2: Convert to fraction form
    80,626,708.60/120,895,195.38 = 47,850,596.44/x
  3. Step 3: Cross multiply
    80,626,708.60x = 120,895,195.38 × 47,850,596.44
  4. Step 4: Simplify right side
    80,626,708.60x = 5,784,907,205,181,655
  5. Step 5: Solve for x
    x = 5,784,907,205,181,655/80,626,708.60
  6. Step 6: Final answer
    x = 71,749,266.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.