Home / 107,623,004.20-161,269,169.10-80,200,648.60

Finding the Fourth Proportional to 107,623,004.20, 161,269,169.10 and 80,200,648.60

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Solution

The fourth proportional to 107,623,004.20, 161,269,169.10 and 80,200,648.60 is: 120,177,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,623,004.20 : 161,269,169.10 = 80,200,648.60 : x
  2. Step 2: Convert to fraction form
    107,623,004.20/161,269,169.10 = 80,200,648.60/x
  3. Step 3: Cross multiply
    107,623,004.20x = 161,269,169.10 × 80,200,648.60
  4. Step 4: Simplify right side
    107,623,004.20x = 12,933,891,961,003,076
  5. Step 5: Solve for x
    x = 12,933,891,961,003,076/107,623,004.20
  6. Step 6: Final answer
    x = 120,177,763.64

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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.