Home / 151,687,872.96-209,327,774.41-82,071,726.36

Finding the Fourth Proportional to 151,687,872.96, 209,327,774.41 and 82,071,726.36

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Solution

The fourth proportional to 151,687,872.96, 209,327,774.41 and 82,071,726.36 is: 113,258,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,687,872.96 : 209,327,774.41 = 82,071,726.36 : x
  2. Step 2: Convert to fraction form
    151,687,872.96/209,327,774.41 = 82,071,726.36/x
  3. Step 3: Cross multiply
    151,687,872.96x = 209,327,774.41 × 82,071,726.36
  4. Step 4: Simplify right side
    151,687,872.96x = 17,179,891,819,673,514
  5. Step 5: Solve for x
    x = 17,179,891,819,673,514/151,687,872.96
  6. Step 6: Final answer
    x = 113,258,176.05

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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.