Home / 257,520,917.06-386,451,540.45-121,245,272.90

Finding the Fourth Proportional to 257,520,917.06, 386,451,540.45 and 121,245,272.90

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Solution

The fourth proportional to 257,520,917.06, 386,451,540.45 and 121,245,272.90 is: 181,948,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,520,917.06 : 386,451,540.45 = 121,245,272.90 : x
  2. Step 2: Convert to fraction form
    257,520,917.06/386,451,540.45 = 121,245,272.90/x
  3. Step 3: Cross multiply
    257,520,917.06x = 386,451,540.45 × 121,245,272.90
  4. Step 4: Simplify right side
    257,520,917.06x = 46,855,422,484,485,640
  5. Step 5: Solve for x
    x = 46,855,422,484,485,640/257,520,917.06
  6. Step 6: Final answer
    x = 181,948,025.89

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