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Finding the Fourth Proportional to 144,735,896.65, 216,925,978.29 and 66,907,524.70

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Solution

The fourth proportional to 144,735,896.65, 216,925,978.29 and 66,907,524.70 is: 100,279,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,735,896.65 : 216,925,978.29 = 66,907,524.70 : x
  2. Step 2: Convert to fraction form
    144,735,896.65/216,925,978.29 = 66,907,524.70/x
  3. Step 3: Cross multiply
    144,735,896.65x = 216,925,978.29 × 66,907,524.70
  4. Step 4: Simplify right side
    144,735,896.65x = 14,513,980,250,509,838
  5. Step 5: Solve for x
    x = 14,513,980,250,509,838/144,735,896.65
  6. Step 6: Final answer
    x = 100,279,064.05

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