Home / 217,659,104.88-300,383,138.52-119,873,934.96

Finding the Fourth Proportional to 217,659,104.88, 300,383,138.52 and 119,873,934.96

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Solution

The fourth proportional to 217,659,104.88, 300,383,138.52 and 119,873,934.96 is: 165,433,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,659,104.88 : 300,383,138.52 = 119,873,934.96 : x
  2. Step 2: Convert to fraction form
    217,659,104.88/300,383,138.52 = 119,873,934.96/x
  3. Step 3: Cross multiply
    217,659,104.88x = 300,383,138.52 × 119,873,934.96
  4. Step 4: Simplify right side
    217,659,104.88x = 36,008,108,810,027,148
  5. Step 5: Solve for x
    x = 36,008,108,810,027,148/217,659,104.88
  6. Step 6: Final answer
    x = 165,433,505.89

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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.