Home / 143,146,540.20-214,719,810.30-70,505,198.52

Finding the Fourth Proportional to 143,146,540.20, 214,719,810.30 and 70,505,198.52

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Solution

The fourth proportional to 143,146,540.20, 214,719,810.30 and 70,505,198.52 is: 105,757,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,146,540.20 : 214,719,810.30 = 70,505,198.52 : x
  2. Step 2: Convert to fraction form
    143,146,540.20/214,719,810.30 = 70,505,198.52/x
  3. Step 3: Cross multiply
    143,146,540.20x = 214,719,810.30 × 70,505,198.52
  4. Step 4: Simplify right side
    143,146,540.20x = 15,138,862,851,378,240
  5. Step 5: Solve for x
    x = 15,138,862,851,378,240/143,146,540.20
  6. Step 6: Final answer
    x = 105,757,797.78

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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.