Home / 80,644,896.60-120,967,344.90-20,060,622.60

Finding the Fourth Proportional to 80,644,896.60, 120,967,344.90 and 20,060,622.60

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Solution

The fourth proportional to 80,644,896.60, 120,967,344.90 and 20,060,622.60 is: 30,090,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,644,896.60 : 120,967,344.90 = 20,060,622.60 : x
  2. Step 2: Convert to fraction form
    80,644,896.60/120,967,344.90 = 20,060,622.60/x
  3. Step 3: Cross multiply
    80,644,896.60x = 120,967,344.90 × 20,060,622.60
  4. Step 4: Simplify right side
    80,644,896.60x = 2,426,680,252,962,935
  5. Step 5: Solve for x
    x = 2,426,680,252,962,935/80,644,896.60
  6. Step 6: Final answer
    x = 30,090,933.90

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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.