Home / 218,325,497,434.72-327,494,917,844.22-74,902,513,850.73

Finding the Fourth Proportional to 218,325,497,434.72, 327,494,917,844.22 and 74,902,513,850.73

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Solution

The fourth proportional to 218,325,497,434.72, 327,494,917,844.22 and 74,902,513,850.73 is: 112,356,059,681.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,325,497,434.72 : 327,494,917,844.22 = 74,902,513,850.73 : x
  2. Step 2: Convert to fraction form
    218,325,497,434.72/327,494,917,844.22 = 74,902,513,850.73/x
  3. Step 3: Cross multiply
    218,325,497,434.72x = 327,494,917,844.22 × 74,902,513,850.73
  4. Step 4: Simplify right side
    218,325,497,434.72x = 24,530,192,619,870,368,038,912
  5. Step 5: Solve for x
    x = 24,530,192,619,870,368,038,912/218,325,497,434.72
  6. Step 6: Final answer
    x = 112,356,059,681.97

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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.