Home / 217,704,136.92-300,431,725.20-119,918,992.92

Finding the Fourth Proportional to 217,704,136.92, 300,431,725.20 and 119,918,992.92

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Solution

The fourth proportional to 217,704,136.92, 300,431,725.20 and 119,918,992.92 is: 165,488,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,704,136.92 : 300,431,725.20 = 119,918,992.92 : x
  2. Step 2: Convert to fraction form
    217,704,136.92/300,431,725.20 = 119,918,992.92/x
  3. Step 3: Cross multiply
    217,704,136.92x = 300,431,725.20 × 119,918,992.92
  4. Step 4: Simplify right side
    217,704,136.92x = 36,027,469,927,202,184
  5. Step 5: Solve for x
    x = 36,027,469,927,202,184/217,704,136.92
  6. Step 6: Final answer
    x = 165,488,219.18

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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.