Home / 154,198,002.60-231,297,003.90-147,395,557.80

Finding the Fourth Proportional to 154,198,002.60, 231,297,003.90 and 147,395,557.80

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Solution

The fourth proportional to 154,198,002.60, 231,297,003.90 and 147,395,557.80 is: 221,093,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,198,002.60 : 231,297,003.90 = 147,395,557.80 : x
  2. Step 2: Convert to fraction form
    154,198,002.60/231,297,003.90 = 147,395,557.80/x
  3. Step 3: Cross multiply
    154,198,002.60x = 231,297,003.90 × 147,395,557.80
  4. Step 4: Simplify right side
    154,198,002.60x = 34,092,150,907,309,280
  5. Step 5: Solve for x
    x = 34,092,150,907,309,280/154,198,002.60
  6. Step 6: Final answer
    x = 221,093,336.70

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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.