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Finding the Fourth Proportional to 218,593,932.55, 328,016,870.03 and 82,377,074.95

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Solution

The fourth proportional to 218,593,932.55, 328,016,870.03 and 82,377,074.95 is: 123,613,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,593,932.55 : 328,016,870.03 = 82,377,074.95 : x
  2. Step 2: Convert to fraction form
    218,593,932.55/328,016,870.03 = 82,377,074.95/x
  3. Step 3: Cross multiply
    218,593,932.55x = 328,016,870.03 × 82,377,074.95
  4. Step 4: Simplify right side
    218,593,932.55x = 27,021,070,286,913,832
  5. Step 5: Solve for x
    x = 27,021,070,286,913,832/218,593,932.55
  6. Step 6: Final answer
    x = 123,613,084.64

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