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Finding the Fourth Proportional to 179,669,978.20, 269,504,967.30 and 72,041,843.80

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Solution

The fourth proportional to 179,669,978.20, 269,504,967.30 and 72,041,843.80 is: 108,062,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,669,978.20 : 269,504,967.30 = 72,041,843.80 : x
  2. Step 2: Convert to fraction form
    179,669,978.20/269,504,967.30 = 72,041,843.80/x
  3. Step 3: Cross multiply
    179,669,978.20x = 269,504,967.30 × 72,041,843.80
  4. Step 4: Simplify right side
    179,669,978.20x = 19,415,634,757,550,708
  5. Step 5: Solve for x
    x = 19,415,634,757,550,708/179,669,978.20
  6. Step 6: Final answer
    x = 108,062,765.70

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