Home / 275,332,873.38-379,947,727.26-149,882,458.02

Finding the Fourth Proportional to 275,332,873.38, 379,947,727.26 and 149,882,458.02

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Solution

The fourth proportional to 275,332,873.38, 379,947,727.26 and 149,882,458.02 is: 206,831,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,332,873.38 : 379,947,727.26 = 149,882,458.02 : x
  2. Step 2: Convert to fraction form
    275,332,873.38/379,947,727.26 = 149,882,458.02/x
  3. Step 3: Cross multiply
    275,332,873.38x = 379,947,727.26 × 149,882,458.02
  4. Step 4: Simplify right side
    275,332,873.38x = 56,947,499,280,841,360
  5. Step 5: Solve for x
    x = 56,947,499,280,841,360/275,332,873.38
  6. Step 6: Final answer
    x = 206,831,456.71

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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.