Home / 198,587,105.28-274,052,727.33-109,289,330.82

Finding the Fourth Proportional to 198,587,105.28, 274,052,727.33 and 109,289,330.82

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Solution

The fourth proportional to 198,587,105.28, 274,052,727.33 and 109,289,330.82 is: 150,820,664.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,587,105.28 : 274,052,727.33 = 109,289,330.82 : x
  2. Step 2: Convert to fraction form
    198,587,105.28/274,052,727.33 = 109,289,330.82/x
  3. Step 3: Cross multiply
    198,587,105.28x = 274,052,727.33 × 109,289,330.82
  4. Step 4: Simplify right side
    198,587,105.28x = 29,951,039,179,291,620
  5. Step 5: Solve for x
    x = 29,951,039,179,291,620/198,587,105.28
  6. Step 6: Final answer
    x = 150,820,664.50

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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.