Home / 231,836,144.32-319,941,078.96-127,412,318.08

Finding the Fourth Proportional to 231,836,144.32, 319,941,078.96 and 127,412,318.08

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Solution

The fourth proportional to 231,836,144.32, 319,941,078.96 and 127,412,318.08 is: 175,832,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,836,144.32 : 319,941,078.96 = 127,412,318.08 : x
  2. Step 2: Convert to fraction form
    231,836,144.32/319,941,078.96 = 127,412,318.08/x
  3. Step 3: Cross multiply
    231,836,144.32x = 319,941,078.96 × 127,412,318.08
  4. Step 4: Simplify right side
    231,836,144.32x = 40,764,434,519,309,912
  5. Step 5: Solve for x
    x = 40,764,434,519,309,912/231,836,144.32
  6. Step 6: Final answer
    x = 175,832,955.81

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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.