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Finding the Fourth Proportional to 209,952,167.80, 314,928,251.70 and 196,347,278.20

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Solution

The fourth proportional to 209,952,167.80, 314,928,251.70 and 196,347,278.20 is: 294,520,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,167.80 : 314,928,251.70 = 196,347,278.20 : x
  2. Step 2: Convert to fraction form
    209,952,167.80/314,928,251.70 = 196,347,278.20/x
  3. Step 3: Cross multiply
    209,952,167.80x = 314,928,251.70 × 196,347,278.20
  4. Step 4: Simplify right side
    209,952,167.80x = 61,835,305,049,579,520
  5. Step 5: Solve for x
    x = 61,835,305,049,579,520/209,952,167.80
  6. Step 6: Final answer
    x = 294,520,917.30

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