Home / 193,543,414.70-289,916,990.85-133,027,472.30

Finding the Fourth Proportional to 193,543,414.70, 289,916,990.85 and 133,027,472.30

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Solution

The fourth proportional to 193,543,414.70, 289,916,990.85 and 133,027,472.30 is: 199,267,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,543,414.70 : 289,916,990.85 = 133,027,472.30 : x
  2. Step 2: Convert to fraction form
    193,543,414.70/289,916,990.85 = 133,027,472.30/x
  3. Step 3: Cross multiply
    193,543,414.70x = 289,916,990.85 × 133,027,472.30
  4. Step 4: Simplify right side
    193,543,414.70x = 38,566,924,469,597,728
  5. Step 5: Solve for x
    x = 38,566,924,469,597,728/193,543,414.70
  6. Step 6: Final answer
    x = 199,267,562.42

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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.