Home / 412,968,736.40-619,546,429.38-136,619,297.96

Finding the Fourth Proportional to 412,968,736.40, 619,546,429.38 and 136,619,297.96

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Solution

The fourth proportional to 412,968,736.40, 619,546,429.38 and 136,619,297.96 is: 204,959,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,968,736.40 : 619,546,429.38 = 136,619,297.96 : x
  2. Step 2: Convert to fraction form
    412,968,736.40/619,546,429.38 = 136,619,297.96/x
  3. Step 3: Cross multiply
    412,968,736.40x = 619,546,429.38 × 136,619,297.96
  4. Step 4: Simplify right side
    412,968,736.40x = 84,641,998,235,520,320
  5. Step 5: Solve for x
    x = 84,641,998,235,520,320/412,968,736.40
  6. Step 6: Final answer
    x = 204,959,820.87

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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.