Home / 198,919,245.60-298,410,754.56-83,920,727.04

Finding the Fourth Proportional to 198,919,245.60, 298,410,754.56 and 83,920,727.04

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Solution

The fourth proportional to 198,919,245.60, 298,410,754.56 and 83,920,727.04 is: 125,894,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,919,245.60 : 298,410,754.56 = 83,920,727.04 : x
  2. Step 2: Convert to fraction form
    198,919,245.60/298,410,754.56 = 83,920,727.04/x
  3. Step 3: Cross multiply
    198,919,245.60x = 298,410,754.56 × 83,920,727.04
  4. Step 4: Simplify right side
    198,919,245.60x = 25,042,847,479,230,196
  5. Step 5: Solve for x
    x = 25,042,847,479,230,196/198,919,245.60
  6. Step 6: Final answer
    x = 125,894,542.80

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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.