Home / 155,268,540.30-232,704,996.30-82,520,172.30

Finding the Fourth Proportional to 155,268,540.30, 232,704,996.30 and 82,520,172.30

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Solution

The fourth proportional to 155,268,540.30, 232,704,996.30 and 82,520,172.30 is: 123,675,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,268,540.30 : 232,704,996.30 = 82,520,172.30 : x
  2. Step 2: Convert to fraction form
    155,268,540.30/232,704,996.30 = 82,520,172.30/x
  3. Step 3: Cross multiply
    155,268,540.30x = 232,704,996.30 × 82,520,172.30
  4. Step 4: Simplify right side
    155,268,540.30x = 19,202,856,389,746,864
  5. Step 5: Solve for x
    x = 19,202,856,389,746,864/155,268,540.30
  6. Step 6: Final answer
    x = 123,675,126.67

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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.