Home / 128,157,980.31-192,238,175.75-31,114,540.35

Finding the Fourth Proportional to 128,157,980.31, 192,238,175.75 and 31,114,540.35

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Solution

The fourth proportional to 128,157,980.31, 192,238,175.75 and 31,114,540.35 is: 46,672,103.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,157,980.31 : 192,238,175.75 = 31,114,540.35 : x
  2. Step 2: Convert to fraction form
    128,157,980.31/192,238,175.75 = 31,114,540.35/x
  3. Step 3: Cross multiply
    128,157,980.31x = 192,238,175.75 × 31,114,540.35
  4. Step 4: Simplify right side
    128,157,980.31x = 5,981,402,476,028,194
  5. Step 5: Solve for x
    x = 5,981,402,476,028,194/128,157,980.31
  6. Step 6: Final answer
    x = 46,672,103.15

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