Home / 97,019,093,906.20-145,528,640,859.30-82,815,589,163.80

Finding the Fourth Proportional to 97,019,093,906.20, 145,528,640,859.30 and 82,815,589,163.80

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Solution

The fourth proportional to 97,019,093,906.20, 145,528,640,859.30 and 82,815,589,163.80 is: 124,223,383,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,019,093,906.20 : 145,528,640,859.30 = 82,815,589,163.80 : x
  2. Step 2: Convert to fraction form
    97,019,093,906.20/145,528,640,859.30 = 82,815,589,163.80/x
  3. Step 3: Cross multiply
    97,019,093,906.20x = 145,528,640,859.30 × 82,815,589,163.80
  4. Step 4: Simplify right side
    97,019,093,906.20x = 12,052,040,132,969,986,260,992
  5. Step 5: Solve for x
    x = 12,052,040,132,969,986,260,992/97,019,093,906.20
  6. Step 6: Final answer
    x = 124,223,383,745.70

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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.