Home / 151,389,278.72-208,917,288.59-81,774,659.97

Finding the Fourth Proportional to 151,389,278.72, 208,917,288.59 and 81,774,659.97

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Solution

The fourth proportional to 151,389,278.72, 208,917,288.59 and 81,774,659.97 is: 112,849,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,389,278.72 : 208,917,288.59 = 81,774,659.97 : x
  2. Step 2: Convert to fraction form
    151,389,278.72/208,917,288.59 = 81,774,659.97/x
  3. Step 3: Cross multiply
    151,389,278.72x = 208,917,288.59 × 81,774,659.97
  4. Step 4: Simplify right side
    151,389,278.72x = 17,084,140,235,892,738
  5. Step 5: Solve for x
    x = 17,084,140,235,892,738/151,389,278.72
  6. Step 6: Final answer
    x = 112,849,076.11

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