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Finding the Fourth Proportional to 177,143,992.20, 265,757,978.70 and 90,895,710.60

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Solution

The fourth proportional to 177,143,992.20, 265,757,978.70 and 90,895,710.60 is: 136,365,111.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,143,992.20 : 265,757,978.70 = 90,895,710.60 : x
  2. Step 2: Convert to fraction form
    177,143,992.20/265,757,978.70 = 90,895,710.60/x
  3. Step 3: Cross multiply
    177,143,992.20x = 265,757,978.70 × 90,895,710.60
  4. Step 4: Simplify right side
    177,143,992.20x = 24,156,260,321,556,160
  5. Step 5: Solve for x
    x = 24,156,260,321,556,160/177,143,992.20
  6. Step 6: Final answer
    x = 136,365,111.92

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