Home / 172,431,426.29-238,266,632.92-122,785,609.27

Finding the Fourth Proportional to 172,431,426.29, 238,266,632.92 and 122,785,609.27

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Solution

The fourth proportional to 172,431,426.29, 238,266,632.92 and 122,785,609.27 is: 169,665,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,431,426.29 : 238,266,632.92 = 122,785,609.27 : x
  2. Step 2: Convert to fraction form
    172,431,426.29/238,266,632.92 = 122,785,609.27/x
  3. Step 3: Cross multiply
    172,431,426.29x = 238,266,632.92 × 122,785,609.27
  4. Step 4: Simplify right side
    172,431,426.29x = 29,255,713,691,567,408
  5. Step 5: Solve for x
    x = 29,255,713,691,567,408/172,431,426.29
  6. Step 6: Final answer
    x = 169,665,787.27

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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.