Home / 80,881,360.60-121,322,040.90-67,967,344.30

Finding the Fourth Proportional to 80,881,360.60, 121,322,040.90 and 67,967,344.30

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Solution

The fourth proportional to 80,881,360.60, 121,322,040.90 and 67,967,344.30 is: 101,951,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,881,360.60 : 121,322,040.90 = 67,967,344.30 : x
  2. Step 2: Convert to fraction form
    80,881,360.60/121,322,040.90 = 67,967,344.30/x
  3. Step 3: Cross multiply
    80,881,360.60x = 121,322,040.90 × 67,967,344.30
  4. Step 4: Simplify right side
    80,881,360.60x = 8,245,936,925,028,982
  5. Step 5: Solve for x
    x = 8,245,936,925,028,982/80,881,360.60
  6. Step 6: Final answer
    x = 101,951,016.45

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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.