Home / 80,585,223.20-120,833,511.60-55,055,060

Finding the Fourth Proportional to 80,585,223.20, 120,833,511.60 and 55,055,060

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Solution

The fourth proportional to 80,585,223.20, 120,833,511.60 and 55,055,060 is: 82,552,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,585,223.20 : 120,833,511.60 = 55,055,060 : x
  2. Step 2: Convert to fraction form
    80,585,223.20/120,833,511.60 = 55,055,060/x
  3. Step 3: Cross multiply
    80,585,223.20x = 120,833,511.60 × 55,055,060
  4. Step 4: Simplify right side
    80,585,223.20x = 6,652,496,231,148,696
  5. Step 5: Solve for x
    x = 6,652,496,231,148,696/80,585,223.20
  6. Step 6: Final answer
    x = 82,552,308.81

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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.