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Finding the Fourth Proportional to 81,750,640.35, 122,625,960.53 and 81,750,640.35

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Solution

The fourth proportional to 81,750,640.35, 122,625,960.53 and 81,750,640.35 is: 122,625,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,750,640.35 : 122,625,960.53 = 81,750,640.35 : x
  2. Step 2: Convert to fraction form
    81,750,640.35/122,625,960.53 = 81,750,640.35/x
  3. Step 3: Cross multiply
    81,750,640.35x = 122,625,960.53 × 81,750,640.35
  4. Step 4: Simplify right side
    81,750,640.35x = 10,024,750,796,452,572
  5. Step 5: Solve for x
    x = 10,024,750,796,452,572/81,750,640.35
  6. Step 6: Final answer
    x = 122,625,960.53

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