Home / 106,085,900.20-159,128,850.30-80,576,732.20

Finding the Fourth Proportional to 106,085,900.20, 159,128,850.30 and 80,576,732.20

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Solution

The fourth proportional to 106,085,900.20, 159,128,850.30 and 80,576,732.20 is: 120,865,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,085,900.20 : 159,128,850.30 = 80,576,732.20 : x
  2. Step 2: Convert to fraction form
    106,085,900.20/159,128,850.30 = 80,576,732.20/x
  3. Step 3: Cross multiply
    106,085,900.20x = 159,128,850.30 × 80,576,732.20
  4. Step 4: Simplify right side
    106,085,900.20x = 12,822,082,755,916,992
  5. Step 5: Solve for x
    x = 12,822,082,755,916,992/106,085,900.20
  6. Step 6: Final answer
    x = 120,865,098.30

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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.