Home / 147,517,843.60-221,276,765.40-137,440,147.60

Finding the Fourth Proportional to 147,517,843.60, 221,276,765.40 and 137,440,147.60

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Solution

The fourth proportional to 147,517,843.60, 221,276,765.40 and 137,440,147.60 is: 206,160,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,517,843.60 : 221,276,765.40 = 137,440,147.60 : x
  2. Step 2: Convert to fraction form
    147,517,843.60/221,276,765.40 = 137,440,147.60/x
  3. Step 3: Cross multiply
    147,517,843.60x = 221,276,765.40 × 137,440,147.60
  4. Step 4: Simplify right side
    147,517,843.60x = 30,412,311,297,026,572
  5. Step 5: Solve for x
    x = 30,412,311,297,026,572/147,517,843.60
  6. Step 6: Final answer
    x = 206,160,221.40

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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.