Home / 85,534,934.65-127,951,012.53-68,296,805.10

Finding the Fourth Proportional to 85,534,934.65, 127,951,012.53 and 68,296,805.10

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Solution

The fourth proportional to 85,534,934.65, 127,951,012.53 and 68,296,805.10 is: 102,164,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,534,934.65 : 127,951,012.53 = 68,296,805.10 : x
  2. Step 2: Convert to fraction form
    85,534,934.65/127,951,012.53 = 68,296,805.10/x
  3. Step 3: Cross multiply
    85,534,934.65x = 127,951,012.53 × 68,296,805.10
  4. Step 4: Simplify right side
    85,534,934.65x = 8,738,645,365,109,067
  5. Step 5: Solve for x
    x = 8,738,645,365,109,067/85,534,934.65
  6. Step 6: Final answer
    x = 102,164,634.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.