Home / 119,232,076.80-178,848,115.20-100,100,200.80

Finding the Fourth Proportional to 119,232,076.80, 178,848,115.20 and 100,100,200.80

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Solution

The fourth proportional to 119,232,076.80, 178,848,115.20 and 100,100,200.80 is: 150,150,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,232,076.80 : 178,848,115.20 = 100,100,200.80 : x
  2. Step 2: Convert to fraction form
    119,232,076.80/178,848,115.20 = 100,100,200.80/x
  3. Step 3: Cross multiply
    119,232,076.80x = 178,848,115.20 × 100,100,200.80
  4. Step 4: Simplify right side
    119,232,076.80x = 17,902,732,244,221,530
  5. Step 5: Solve for x
    x = 17,902,732,244,221,530/119,232,076.80
  6. Step 6: Final answer
    x = 150,150,301.20

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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.