Home / 230,198,540.80-345,297,811.20-157,639,129.60

Finding the Fourth Proportional to 230,198,540.80, 345,297,811.20 and 157,639,129.60

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Solution

The fourth proportional to 230,198,540.80, 345,297,811.20 and 157,639,129.60 is: 236,458,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,198,540.80 : 345,297,811.20 = 157,639,129.60 : x
  2. Step 2: Convert to fraction form
    230,198,540.80/345,297,811.20 = 157,639,129.60/x
  3. Step 3: Cross multiply
    230,198,540.80x = 345,297,811.20 × 157,639,129.60
  4. Step 4: Simplify right side
    230,198,540.80x = 54,432,446,410,353,128
  5. Step 5: Solve for x
    x = 54,432,446,410,353,128/230,198,540.80
  6. Step 6: Final answer
    x = 236,458,694.40

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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.