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Finding the Fourth Proportional to 151,891,978.48, 209,611,936.80 and 82,277,359.36

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Solution

The fourth proportional to 151,891,978.48, 209,611,936.80 and 82,277,359.36 is: 113,543,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,891,978.48 : 209,611,936.80 = 82,277,359.36 : x
  2. Step 2: Convert to fraction form
    151,891,978.48/209,611,936.80 = 82,277,359.36/x
  3. Step 3: Cross multiply
    151,891,978.48x = 209,611,936.80 × 82,277,359.36
  4. Step 4: Simplify right side
    151,891,978.48x = 17,246,316,650,239,210
  5. Step 5: Solve for x
    x = 17,246,316,650,239,210/151,891,978.48
  6. Step 6: Final answer
    x = 113,543,301.12

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