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Finding the Fourth Proportional to 66,589,832.40, 99,891,401.40 and 18,068,456.40

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Solution

The fourth proportional to 66,589,832.40, 99,891,401.40 and 18,068,456.40 is: 27,104,489.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,589,832.40 : 99,891,401.40 = 18,068,456.40 : x
  2. Step 2: Convert to fraction form
    66,589,832.40/99,891,401.40 = 18,068,456.40/x
  3. Step 3: Cross multiply
    66,589,832.40x = 99,891,401.40 × 18,068,456.40
  4. Step 4: Simplify right side
    66,589,832.40x = 1,804,883,430,930,799
  5. Step 5: Solve for x
    x = 1,804,883,430,930,799/66,589,832.40
  6. Step 6: Final answer
    x = 27,104,489.77

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