Home / 133,760,747.70-200,641,121.55-80,013,035.70

Finding the Fourth Proportional to 133,760,747.70, 200,641,121.55 and 80,013,035.70

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Solution

The fourth proportional to 133,760,747.70, 200,641,121.55 and 80,013,035.70 is: 120,019,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,760,747.70 : 200,641,121.55 = 80,013,035.70 : x
  2. Step 2: Convert to fraction form
    133,760,747.70/200,641,121.55 = 80,013,035.70/x
  3. Step 3: Cross multiply
    133,760,747.70x = 200,641,121.55 × 80,013,035.70
  4. Step 4: Simplify right side
    133,760,747.70x = 16,053,905,221,468,190
  5. Step 5: Solve for x
    x = 16,053,905,221,468,190/133,760,747.70
  6. Step 6: Final answer
    x = 120,019,553.55

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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.