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Finding the Fourth Proportional to 66,996,978.10, 100,589,945.55 and 41,487,810.10

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Solution

The fourth proportional to 66,996,978.10, 100,589,945.55 and 41,487,810.10 is: 62,290,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,996,978.10 : 100,589,945.55 = 41,487,810.10 : x
  2. Step 2: Convert to fraction form
    66,996,978.10/100,589,945.55 = 41,487,810.10/x
  3. Step 3: Cross multiply
    66,996,978.10x = 100,589,945.55 × 41,487,810.10
  4. Step 4: Simplify right side
    66,996,978.10x = 4,173,256,558,947,740
  5. Step 5: Solve for x
    x = 4,173,256,558,947,740/66,996,978.10
  6. Step 6: Final answer
    x = 62,290,220.80

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