Home / 194,242,585.20-291,380,466.60-66,591,769.20

Finding the Fourth Proportional to 194,242,585.20, 291,380,466.60 and 66,591,769.20

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Solution

The fourth proportional to 194,242,585.20, 291,380,466.60 and 66,591,769.20 is: 99,893,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,242,585.20 : 291,380,466.60 = 66,591,769.20 : x
  2. Step 2: Convert to fraction form
    194,242,585.20/291,380,466.60 = 66,591,769.20/x
  3. Step 3: Cross multiply
    194,242,585.20x = 291,380,466.60 × 66,591,769.20
  4. Step 4: Simplify right side
    194,242,585.20x = 19,403,540,781,215,512
  5. Step 5: Solve for x
    x = 19,403,540,781,215,512/194,242,585.20
  6. Step 6: Final answer
    x = 99,893,340.90

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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.