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Finding the Fourth Proportional to 139,593,978.62, 209,413,701.81 and 41,235,665.66

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Solution

The fourth proportional to 139,593,978.62, 209,413,701.81 and 41,235,665.66 is: 61,860,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,593,978.62 : 209,413,701.81 = 41,235,665.66 : x
  2. Step 2: Convert to fraction form
    139,593,978.62/209,413,701.81 = 41,235,665.66/x
  3. Step 3: Cross multiply
    139,593,978.62x = 209,413,701.81 × 41,235,665.66
  4. Step 4: Simplify right side
    139,593,978.62x = 8,635,313,392,253,918
  5. Step 5: Solve for x
    x = 8,635,313,392,253,918/139,593,978.62
  6. Step 6: Final answer
    x = 61,860,214.01

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