Home / 202,403,660.72-279,313,664.76-109,583,414.96

Finding the Fourth Proportional to 202,403,660.72, 279,313,664.76 and 109,583,414.96

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Solution

The fourth proportional to 202,403,660.72, 279,313,664.76 and 109,583,414.96 is: 151,223,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,403,660.72 : 279,313,664.76 = 109,583,414.96 : x
  2. Step 2: Convert to fraction form
    202,403,660.72/279,313,664.76 = 109,583,414.96/x
  3. Step 3: Cross multiply
    202,403,660.72x = 279,313,664.76 × 109,583,414.96
  4. Step 4: Simplify right side
    202,403,660.72x = 30,608,145,229,393,404
  5. Step 5: Solve for x
    x = 30,608,145,229,393,404/202,403,660.72
  6. Step 6: Final answer
    x = 151,223,278.87

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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.