Home / 275,285,419.20-412,928,128.80-158,899,840.20

Finding the Fourth Proportional to 275,285,419.20, 412,928,128.80 and 158,899,840.20

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Solution

The fourth proportional to 275,285,419.20, 412,928,128.80 and 158,899,840.20 is: 238,349,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,285,419.20 : 412,928,128.80 = 158,899,840.20 : x
  2. Step 2: Convert to fraction form
    275,285,419.20/412,928,128.80 = 158,899,840.20/x
  3. Step 3: Cross multiply
    275,285,419.20x = 412,928,128.80 × 158,899,840.20
  4. Step 4: Simplify right side
    275,285,419.20x = 65,614,213,680,405,016
  5. Step 5: Solve for x
    x = 65,614,213,680,405,016/275,285,419.20
  6. Step 6: Final answer
    x = 238,349,760.30

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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.