Home / 80,794,165.52-111,498,699.76-47,782,712.72

Finding the Fourth Proportional to 80,794,165.52, 111,498,699.76 and 47,782,712.72

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Solution

The fourth proportional to 80,794,165.52, 111,498,699.76 and 47,782,712.72 is: 65,941,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,794,165.52 : 111,498,699.76 = 47,782,712.72 : x
  2. Step 2: Convert to fraction form
    80,794,165.52/111,498,699.76 = 47,782,712.72/x
  3. Step 3: Cross multiply
    80,794,165.52x = 111,498,699.76 × 47,782,712.72
  4. Step 4: Simplify right side
    80,794,165.52x = 5,327,710,339,285,613
  5. Step 5: Solve for x
    x = 5,327,710,339,285,613/80,794,165.52
  6. Step 6: Final answer
    x = 65,941,770.73

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1.5x scale

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.