Home / 306,141,516.15-422,511,159-174,002,375.55

Finding the Fourth Proportional to 306,141,516.15, 422,511,159 and 174,002,375.55

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Solution

The fourth proportional to 306,141,516.15, 422,511,159 and 174,002,375.55 is: 240,143,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,141,516.15 : 422,511,159 = 174,002,375.55 : x
  2. Step 2: Convert to fraction form
    306,141,516.15/422,511,159 = 174,002,375.55/x
  3. Step 3: Cross multiply
    306,141,516.15x = 422,511,159 × 174,002,375.55
  4. Step 4: Simplify right side
    306,141,516.15x = 73,517,945,362,383,760
  5. Step 5: Solve for x
    x = 73,517,945,362,383,760/306,141,516.15
  6. Step 6: Final answer
    x = 240,143,663.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.