Home / 231,956,829.87-320,101,690.68-136,591,499.31

Finding the Fourth Proportional to 231,956,829.87, 320,101,690.68 and 136,591,499.31

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Solution

The fourth proportional to 231,956,829.87, 320,101,690.68 and 136,591,499.31 is: 188,497,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,956,829.87 : 320,101,690.68 = 136,591,499.31 : x
  2. Step 2: Convert to fraction form
    231,956,829.87/320,101,690.68 = 136,591,499.31/x
  3. Step 3: Cross multiply
    231,956,829.87x = 320,101,690.68 × 136,591,499.31
  4. Step 4: Simplify right side
    231,956,829.87x = 43,723,169,861,647,056
  5. Step 5: Solve for x
    x = 43,723,169,861,647,056/231,956,829.87
  6. Step 6: Final answer
    x = 188,497,014.23

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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.