Home / 89,642,993.57-123,704,065.11-49,948,473.36

Finding the Fourth Proportional to 89,642,993.57, 123,704,065.11 and 49,948,473.36

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Solution

The fourth proportional to 89,642,993.57, 123,704,065.11 and 49,948,473.36 is: 68,927,073.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,642,993.57 : 123,704,065.11 = 49,948,473.36 : x
  2. Step 2: Convert to fraction form
    89,642,993.57/123,704,065.11 = 49,948,473.36/x
  3. Step 3: Cross multiply
    89,642,993.57x = 123,704,065.11 × 49,948,473.36
  4. Step 4: Simplify right side
    89,642,993.57x = 6,178,829,200,670,540
  5. Step 5: Solve for x
    x = 6,178,829,200,670,540/89,642,993.57
  6. Step 6: Final answer
    x = 68,927,073.44

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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.