Home / 47,381,949.68-71,027,520.55-20,050,644.96

Finding the Fourth Proportional to 47,381,949.68, 71,027,520.55 and 20,050,644.96

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Solution

The fourth proportional to 47,381,949.68, 71,027,520.55 and 20,050,644.96 is: 30,056,753.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,381,949.68 : 71,027,520.55 = 20,050,644.96 : x
  2. Step 2: Convert to fraction form
    47,381,949.68/71,027,520.55 = 20,050,644.96/x
  3. Step 3: Cross multiply
    47,381,949.68x = 71,027,520.55 × 20,050,644.96
  4. Step 4: Simplify right side
    47,381,949.68x = 1,424,147,596,887,027.25
  5. Step 5: Solve for x
    x = 1,424,147,596,887,027.25/47,381,949.68
  6. Step 6: Final answer
    x = 30,056,753.82

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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.