Home / 49,398,998.87-68,171,604.78-28,773,773.66

Finding the Fourth Proportional to 49,398,998.87, 68,171,604.78 and 28,773,773.66

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Solution

The fourth proportional to 49,398,998.87, 68,171,604.78 and 28,773,773.66 is: 39,708,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,398,998.87 : 68,171,604.78 = 28,773,773.66 : x
  2. Step 2: Convert to fraction form
    49,398,998.87/68,171,604.78 = 28,773,773.66/x
  3. Step 3: Cross multiply
    49,398,998.87x = 68,171,604.78 × 28,773,773.66
  4. Step 4: Simplify right side
    49,398,998.87x = 1,961,554,325,978,694.25
  5. Step 5: Solve for x
    x = 1,961,554,325,978,694.25/49,398,998.87
  6. Step 6: Final answer
    x = 39,708,382.17

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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.