Home / 54,555,880.92-81,844,601.94-20,012,603.43

Finding the Fourth Proportional to 54,555,880.92, 81,844,601.94 and 20,012,603.43

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Solution

The fourth proportional to 54,555,880.92, 81,844,601.94 and 20,012,603.43 is: 30,022,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555,880.92 : 81,844,601.94 = 20,012,603.43 : x
  2. Step 2: Convert to fraction form
    54,555,880.92/81,844,601.94 = 20,012,603.43/x
  3. Step 3: Cross multiply
    54,555,880.92x = 81,844,601.94 × 20,012,603.43
  4. Step 4: Simplify right side
    54,555,880.92x = 1,637,923,561,511,428.50
  5. Step 5: Solve for x
    x = 1,637,923,561,511,428.50/54,555,880.92
  6. Step 6: Final answer
    x = 30,022,859.75

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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.