Home / 156,034,028.97-234,084,586.06-45,371,621.78

Finding the Fourth Proportional to 156,034,028.97, 234,084,586.06 and 45,371,621.78

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Solution

The fourth proportional to 156,034,028.97, 234,084,586.06 and 45,371,621.78 is: 68,067,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,034,028.97 : 234,084,586.06 = 45,371,621.78 : x
  2. Step 2: Convert to fraction form
    156,034,028.97/234,084,586.06 = 45,371,621.78/x
  3. Step 3: Cross multiply
    156,034,028.97x = 234,084,586.06 × 45,371,621.78
  4. Step 4: Simplify right side
    156,034,028.97x = 10,620,797,303,006,290
  5. Step 5: Solve for x
    x = 10,620,797,303,006,290/156,034,028.97
  6. Step 6: Final answer
    x = 68,067,186.20

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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.