Home / 217,040,673.40-325,561,010.10-55,474,055.80

Finding the Fourth Proportional to 217,040,673.40, 325,561,010.10 and 55,474,055.80

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Solution

The fourth proportional to 217,040,673.40, 325,561,010.10 and 55,474,055.80 is: 83,211,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,040,673.40 : 325,561,010.10 = 55,474,055.80 : x
  2. Step 2: Convert to fraction form
    217,040,673.40/325,561,010.10 = 55,474,055.80/x
  3. Step 3: Cross multiply
    217,040,673.40x = 325,561,010.10 × 55,474,055.80
  4. Step 4: Simplify right side
    217,040,673.40x = 18,060,189,640,591,764
  5. Step 5: Solve for x
    x = 18,060,189,640,591,764/217,040,673.40
  6. Step 6: Final answer
    x = 83,211,083.70

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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.