Home / 123,691,451.88-170,694,509.58-68,687,306.76

Finding the Fourth Proportional to 123,691,451.88, 170,694,509.58 and 68,687,306.76

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Solution

The fourth proportional to 123,691,451.88, 170,694,509.58 and 68,687,306.76 is: 94,788,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,691,451.88 : 170,694,509.58 = 68,687,306.76 : x
  2. Step 2: Convert to fraction form
    123,691,451.88/170,694,509.58 = 68,687,306.76/x
  3. Step 3: Cross multiply
    123,691,451.88x = 170,694,509.58 × 68,687,306.76
  4. Step 4: Simplify right side
    123,691,451.88x = 11,724,546,141,769,220
  5. Step 5: Solve for x
    x = 11,724,546,141,769,220/123,691,451.88
  6. Step 6: Final answer
    x = 94,788,653.25

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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.