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Finding the Fourth Proportional to 83,619,198.70, 125,428,798.05 and 83,619,198.70

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Solution

The fourth proportional to 83,619,198.70, 125,428,798.05 and 83,619,198.70 is: 125,428,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,619,198.70 : 125,428,798.05 = 83,619,198.70 : x
  2. Step 2: Convert to fraction form
    83,619,198.70/125,428,798.05 = 83,619,198.70/x
  3. Step 3: Cross multiply
    83,619,198.70x = 125,428,798.05 × 83,619,198.70
  4. Step 4: Simplify right side
    83,619,198.70x = 10,488,255,586,845,122
  5. Step 5: Solve for x
    x = 10,488,255,586,845,122/83,619,198.70
  6. Step 6: Final answer
    x = 125,428,798.05

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