Home / 68,982,841.76-103,517,340.89-45,969,924.09

Finding the Fourth Proportional to 68,982,841.76, 103,517,340.89 and 45,969,924.09

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Solution

The fourth proportional to 68,982,841.76, 103,517,340.89 and 45,969,924.09 is: 68,983,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,982,841.76 : 103,517,340.89 = 45,969,924.09 : x
  2. Step 2: Convert to fraction form
    68,982,841.76/103,517,340.89 = 45,969,924.09/x
  3. Step 3: Cross multiply
    68,982,841.76x = 103,517,340.89 × 45,969,924.09
  4. Step 4: Simplify right side
    68,982,841.76x = 4,758,684,302,711,953
  5. Step 5: Solve for x
    x = 4,758,684,302,711,953/68,982,841.76
  6. Step 6: Final answer
    x = 68,983,593.33

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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.