Home / 154,945,072.98-232,449,938.46-82,142,084.52

Finding the Fourth Proportional to 154,945,072.98, 232,449,938.46 and 82,142,084.52

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Solution

The fourth proportional to 154,945,072.98, 232,449,938.46 and 82,142,084.52 is: 123,230,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,945,072.98 : 232,449,938.46 = 82,142,084.52 : x
  2. Step 2: Convert to fraction form
    154,945,072.98/232,449,938.46 = 82,142,084.52/x
  3. Step 3: Cross multiply
    154,945,072.98x = 232,449,938.46 × 82,142,084.52
  4. Step 4: Simplify right side
    154,945,072.98x = 19,093,922,491,650,120
  5. Step 5: Solve for x
    x = 19,093,922,491,650,120/154,945,072.98
  6. Step 6: Final answer
    x = 123,230,265.57

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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.