Home / 226,919,867.72-313,161,053.82-138,786,183.92

Finding the Fourth Proportional to 226,919,867.72, 313,161,053.82 and 138,786,183.92

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Solution

The fourth proportional to 226,919,867.72, 313,161,053.82 and 138,786,183.92 is: 191,532,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,919,867.72 : 313,161,053.82 = 138,786,183.92 : x
  2. Step 2: Convert to fraction form
    226,919,867.72/313,161,053.82 = 138,786,183.92/x
  3. Step 3: Cross multiply
    226,919,867.72x = 313,161,053.82 × 138,786,183.92
  4. Step 4: Simplify right side
    226,919,867.72x = 43,462,427,612,043,536
  5. Step 5: Solve for x
    x = 43,462,427,612,043,536/226,919,867.72
  6. Step 6: Final answer
    x = 191,532,050.71

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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.