Home / 38,147,963.80-57,221,945.70-33,990,914.20

Finding the Fourth Proportional to 38,147,963.80, 57,221,945.70 and 33,990,914.20

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Solution

The fourth proportional to 38,147,963.80, 57,221,945.70 and 33,990,914.20 is: 50,986,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,147,963.80 : 57,221,945.70 = 33,990,914.20 : x
  2. Step 2: Convert to fraction form
    38,147,963.80/57,221,945.70 = 33,990,914.20/x
  3. Step 3: Cross multiply
    38,147,963.80x = 57,221,945.70 × 33,990,914.20
  4. Step 4: Simplify right side
    38,147,963.80x = 1,945,026,246,645,759.25
  5. Step 5: Solve for x
    x = 1,945,026,246,645,759.25/38,147,963.80
  6. Step 6: Final answer
    x = 50,986,371.30

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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.