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Finding the Fourth Proportional to 71,458,291.80, 107,187,437.70 and 44,248,512.60

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Solution

The fourth proportional to 71,458,291.80, 107,187,437.70 and 44,248,512.60 is: 66,372,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,458,291.80 : 107,187,437.70 = 44,248,512.60 : x
  2. Step 2: Convert to fraction form
    71,458,291.80/107,187,437.70 = 44,248,512.60/x
  3. Step 3: Cross multiply
    71,458,291.80x = 107,187,437.70 × 44,248,512.60
  4. Step 4: Simplify right side
    71,458,291.80x = 4,742,884,687,630,165
  5. Step 5: Solve for x
    x = 4,742,884,687,630,165/71,458,291.80
  6. Step 6: Final answer
    x = 66,372,768.90

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