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Finding the Fourth Proportional to 200,055,978.80, 299,916,006.60 and 104,317,866.80

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Solution

The fourth proportional to 200,055,978.80, 299,916,006.60 and 104,317,866.80 is: 156,389,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,055,978.80 : 299,916,006.60 = 104,317,866.80 : x
  2. Step 2: Convert to fraction form
    200,055,978.80/299,916,006.60 = 104,317,866.80/x
  3. Step 3: Cross multiply
    200,055,978.80x = 299,916,006.60 × 104,317,866.80
  4. Step 4: Simplify right side
    200,055,978.80x = 31,286,598,027,686,724
  5. Step 5: Solve for x
    x = 31,286,598,027,686,724/200,055,978.80
  6. Step 6: Final answer
    x = 156,389,217.73

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Why These Related Problems?

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