Home / 68,557,251.60-102,729,560.04-39,731,891.76

Finding the Fourth Proportional to 68,557,251.60, 102,729,560.04 and 39,731,891.76

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Solution

The fourth proportional to 68,557,251.60, 102,729,560.04 and 39,731,891.76 is: 59,536,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,557,251.60 : 102,729,560.04 = 39,731,891.76 : x
  2. Step 2: Convert to fraction form
    68,557,251.60/102,729,560.04 = 39,731,891.76/x
  3. Step 3: Cross multiply
    68,557,251.60x = 102,729,560.04 × 39,731,891.76
  4. Step 4: Simplify right side
    68,557,251.60x = 4,081,639,760,061,701.50
  5. Step 5: Solve for x
    x = 4,081,639,760,061,701.50/68,557,251.60
  6. Step 6: Final answer
    x = 59,536,222.13

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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.