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Finding the Fourth Proportional to 169,978,693.80, 254,968,040.70 and 132,990,400.20

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Solution

The fourth proportional to 169,978,693.80, 254,968,040.70 and 132,990,400.20 is: 199,485,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,978,693.80 : 254,968,040.70 = 132,990,400.20 : x
  2. Step 2: Convert to fraction form
    169,978,693.80/254,968,040.70 = 132,990,400.20/x
  3. Step 3: Cross multiply
    169,978,693.80x = 254,968,040.70 × 132,990,400.20
  4. Step 4: Simplify right side
    169,978,693.80x = 33,908,301,770,902,888
  5. Step 5: Solve for x
    x = 33,908,301,770,902,888/169,978,693.80
  6. Step 6: Final answer
    x = 199,485,600.30

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