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Finding the Fourth Proportional to 54,978,060.90, 75,867,645.39 and 30,533,349.54

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Solution

The fourth proportional to 54,978,060.90, 75,867,645.39 and 30,533,349.54 is: 42,134,867.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,060.90 : 75,867,645.39 = 30,533,349.54 : x
  2. Step 2: Convert to fraction form
    54,978,060.90/75,867,645.39 = 30,533,349.54/x
  3. Step 3: Cross multiply
    54,978,060.90x = 75,867,645.39 × 30,533,349.54
  4. Step 4: Simplify right side
    54,978,060.90x = 2,316,493,335,469,639.50
  5. Step 5: Solve for x
    x = 2,316,493,335,469,639.50/54,978,060.90
  6. Step 6: Final answer
    x = 42,134,867.94

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