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Finding the Fourth Proportional to 54,978,063.65, 75,867,649.18 and 30,533,352.29

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Solution

The fourth proportional to 54,978,063.65, 75,867,649.18 and 30,533,352.29 is: 42,134,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978,063.65 : 75,867,649.18 = 30,533,352.29 : x
  2. Step 2: Convert to fraction form
    54,978,063.65/75,867,649.18 = 30,533,352.29/x
  3. Step 3: Cross multiply
    54,978,063.65x = 75,867,649.18 × 30,533,352.29
  4. Step 4: Simplify right side
    54,978,063.65x = 2,316,493,659,827,070
  5. Step 5: Solve for x
    x = 2,316,493,659,827,070/54,978,063.65
  6. Step 6: Final answer
    x = 42,134,871.73

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