Home / 120,702,301.20-180,951,100.20-43,980,591.60

Finding the Fourth Proportional to 120,702,301.20, 180,951,100.20 and 43,980,591.60

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Solution

The fourth proportional to 120,702,301.20, 180,951,100.20 and 43,980,591.60 is: 65,933,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,702,301.20 : 180,951,100.20 = 43,980,591.60 : x
  2. Step 2: Convert to fraction form
    120,702,301.20/180,951,100.20 = 43,980,591.60/x
  3. Step 3: Cross multiply
    120,702,301.20x = 180,951,100.20 × 43,980,591.60
  4. Step 4: Simplify right side
    120,702,301.20x = 7,958,336,437,466,878
  5. Step 5: Solve for x
    x = 7,958,336,437,466,878/120,702,301.20
  6. Step 6: Final answer
    x = 65,933,593.30

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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.