Home / 99,613,234.60-149,424,327.78-30,520,976.20

Finding the Fourth Proportional to 99,613,234.60, 149,424,327.78 and 30,520,976.20

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Solution

The fourth proportional to 99,613,234.60, 149,424,327.78 and 30,520,976.20 is: 45,782,835.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,613,234.60 : 149,424,327.78 = 30,520,976.20 : x
  2. Step 2: Convert to fraction form
    99,613,234.60/149,424,327.78 = 30,520,976.20/x
  3. Step 3: Cross multiply
    99,613,234.60x = 149,424,327.78 × 30,520,976.20
  4. Step 4: Simplify right side
    99,613,234.60x = 4,560,576,351,874,379
  5. Step 5: Solve for x
    x = 4,560,576,351,874,379/99,613,234.60
  6. Step 6: Final answer
    x = 45,782,835.69

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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.