Home / 252,058,458.40-378,087,687.60-201,040,122.40

Finding the Fourth Proportional to 252,058,458.40, 378,087,687.60 and 201,040,122.40

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Solution

The fourth proportional to 252,058,458.40, 378,087,687.60 and 201,040,122.40 is: 301,560,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,058,458.40 : 378,087,687.60 = 201,040,122.40 : x
  2. Step 2: Convert to fraction form
    252,058,458.40/378,087,687.60 = 201,040,122.40/x
  3. Step 3: Cross multiply
    252,058,458.40x = 378,087,687.60 × 201,040,122.40
  4. Step 4: Simplify right side
    252,058,458.40x = 76,010,794,993,036,976
  5. Step 5: Solve for x
    x = 76,010,794,993,036,976/252,058,458.40
  6. Step 6: Final answer
    x = 301,560,183.60

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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.