Home / 204,732,037.10-307,098,057.10-68,417,420.78

Finding the Fourth Proportional to 204,732,037.10, 307,098,057.10 and 68,417,420.78

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Solution

The fourth proportional to 204,732,037.10, 307,098,057.10 and 68,417,420.78 is: 102,626,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,732,037.10 : 307,098,057.10 = 68,417,420.78 : x
  2. Step 2: Convert to fraction form
    204,732,037.10/307,098,057.10 = 68,417,420.78/x
  3. Step 3: Cross multiply
    204,732,037.10x = 307,098,057.10 × 68,417,420.78
  4. Step 4: Simplify right side
    204,732,037.10x = 21,010,856,993,331,168
  5. Step 5: Solve for x
    x = 21,010,856,993,331,168/204,732,037.10
  6. Step 6: Final answer
    x = 102,626,131.65

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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.