Home / 47,921,335.30-71,882,002.95-19,188,091.90

Finding the Fourth Proportional to 47,921,335.30, 71,882,002.95 and 19,188,091.90

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Solution

The fourth proportional to 47,921,335.30, 71,882,002.95 and 19,188,091.90 is: 28,782,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921,335.30 : 71,882,002.95 = 19,188,091.90 : x
  2. Step 2: Convert to fraction form
    47,921,335.30/71,882,002.95 = 19,188,091.90/x
  3. Step 3: Cross multiply
    47,921,335.30x = 71,882,002.95 × 19,188,091.90
  4. Step 4: Simplify right side
    47,921,335.30x = 1,379,278,478,560,671
  5. Step 5: Solve for x
    x = 1,379,278,478,560,671/47,921,335.30
  6. Step 6: Final answer
    x = 28,782,137.85

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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.