Home / 80,485,322.60-120,743,730.30-34,427,102.60

Finding the Fourth Proportional to 80,485,322.60, 120,743,730.30 and 34,427,102.60

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Solution

The fourth proportional to 80,485,322.60, 120,743,730.30 and 34,427,102.60 is: 51,647,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,485,322.60 : 120,743,730.30 = 34,427,102.60 : x
  2. Step 2: Convert to fraction form
    80,485,322.60/120,743,730.30 = 34,427,102.60/x
  3. Step 3: Cross multiply
    80,485,322.60x = 120,743,730.30 × 34,427,102.60
  4. Step 4: Simplify right side
    80,485,322.60x = 4,156,856,791,344,829
  5. Step 5: Solve for x
    x = 4,156,856,791,344,829/80,485,322.60
  6. Step 6: Final answer
    x = 51,647,389.33

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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.