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Finding the Fourth Proportional to 66,863,978.24, 100,279,134.75 and 25,909,363.31

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Solution

The fourth proportional to 66,863,978.24, 100,279,134.75 and 25,909,363.31 is: 38,857,522.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,863,978.24 : 100,279,134.75 = 25,909,363.31 : x
  2. Step 2: Convert to fraction form
    66,863,978.24/100,279,134.75 = 25,909,363.31/x
  3. Step 3: Cross multiply
    66,863,978.24x = 100,279,134.75 × 25,909,363.31
  4. Step 4: Simplify right side
    66,863,978.24x = 2,598,168,534,650,196
  5. Step 5: Solve for x
    x = 2,598,168,534,650,196/66,863,978.24
  6. Step 6: Final answer
    x = 38,857,522.44

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