Home / 205,227,149.21-308,331,829.36-131,595,190.85

Finding the Fourth Proportional to 205,227,149.21, 308,331,829.36 and 131,595,190.85

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Solution

The fourth proportional to 205,227,149.21, 308,331,829.36 and 131,595,190.85 is: 197,707,691.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,227,149.21 : 308,331,829.36 = 131,595,190.85 : x
  2. Step 2: Convert to fraction form
    205,227,149.21/308,331,829.36 = 131,595,190.85/x
  3. Step 3: Cross multiply
    205,227,149.21x = 308,331,829.36 × 131,595,190.85
  4. Step 4: Simplify right side
    205,227,149.21x = 40,574,985,928,217,176
  5. Step 5: Solve for x
    x = 40,574,985,928,217,176/205,227,149.21
  6. Step 6: Final answer
    x = 197,707,691.62

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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.