Home / 122,198,793.90-183,298,190.85-70,542,728.70

Finding the Fourth Proportional to 122,198,793.90, 183,298,190.85 and 70,542,728.70

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Solution

The fourth proportional to 122,198,793.90, 183,298,190.85 and 70,542,728.70 is: 105,814,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,198,793.90 : 183,298,190.85 = 70,542,728.70 : x
  2. Step 2: Convert to fraction form
    122,198,793.90/183,298,190.85 = 70,542,728.70/x
  3. Step 3: Cross multiply
    122,198,793.90x = 183,298,190.85 × 70,542,728.70
  4. Step 4: Simplify right side
    122,198,793.90x = 12,930,354,548,332,372
  5. Step 5: Solve for x
    x = 12,930,354,548,332,372/122,198,793.90
  6. Step 6: Final answer
    x = 105,814,093.05

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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.