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Finding the Fourth Proportional to 77,404.40, 116,020.20 and 44,140.40

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Solution

The fourth proportional to 77,404.40, 116,020.20 and 44,140.40 is: 66,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,404.40 : 116,020.20 = 44,140.40 : x
  2. Step 2: Convert to fraction form
    77,404.40/116,020.20 = 44,140.40/x
  3. Step 3: Cross multiply
    77,404.40x = 116,020.20 × 44,140.40
  4. Step 4: Simplify right side
    77,404.40x = 5,121,178,036.08
  5. Step 5: Solve for x
    x = 5,121,178,036.08/77,404.40
  6. Step 6: Final answer
    x = 66,161.33

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