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Finding the Fourth Proportional to 99,435,205.80, 148,900,866.30 and 79,279,813.80

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Solution

The fourth proportional to 99,435,205.80, 148,900,866.30 and 79,279,813.80 is: 118,718,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,435,205.80 : 148,900,866.30 = 79,279,813.80 : x
  2. Step 2: Convert to fraction form
    99,435,205.80/148,900,866.30 = 79,279,813.80/x
  3. Step 3: Cross multiply
    99,435,205.80x = 148,900,866.30 × 79,279,813.80
  4. Step 4: Simplify right side
    99,435,205.80x = 11,804,832,954,922,696
  5. Step 5: Solve for x
    x = 11,804,832,954,922,696/99,435,205.80
  6. Step 6: Final answer
    x = 118,718,846.71

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