Home / 204,817,438.78-307,226,469.21-83,648,890.78

Finding the Fourth Proportional to 204,817,438.78, 307,226,469.21 and 83,648,890.78

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Solution

The fourth proportional to 204,817,438.78, 307,226,469.21 and 83,648,890.78 is: 125,473,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,817,438.78 : 307,226,469.21 = 83,648,890.78 : x
  2. Step 2: Convert to fraction form
    204,817,438.78/307,226,469.21 = 83,648,890.78/x
  3. Step 3: Cross multiply
    204,817,438.78x = 307,226,469.21 × 83,648,890.78
  4. Step 4: Simplify right side
    204,817,438.78x = 25,699,153,367,672,320
  5. Step 5: Solve for x
    x = 25,699,153,367,672,320/204,817,438.78
  6. Step 6: Final answer
    x = 125,473,463.20

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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.