Home / 218,422,682.46-327,635,248.49-72,855,844.23

Finding the Fourth Proportional to 218,422,682.46, 327,635,248.49 and 72,855,844.23

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Solution

The fourth proportional to 218,422,682.46, 327,635,248.49 and 72,855,844.23 is: 109,284,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,422,682.46 : 327,635,248.49 = 72,855,844.23 : x
  2. Step 2: Convert to fraction form
    218,422,682.46/327,635,248.49 = 72,855,844.23/x
  3. Step 3: Cross multiply
    218,422,682.46x = 327,635,248.49 × 72,855,844.23
  4. Step 4: Simplify right side
    218,422,682.46x = 23,870,142,628,244,784
  5. Step 5: Solve for x
    x = 23,870,142,628,244,784/218,422,682.46
  6. Step 6: Final answer
    x = 109,284,174.88

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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.