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Finding the Fourth Proportional to 192,171,652.40, 288,257,478.60 and 70,978,026.80

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Solution

The fourth proportional to 192,171,652.40, 288,257,478.60 and 70,978,026.80 is: 106,467,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,171,652.40 : 288,257,478.60 = 70,978,026.80 : x
  2. Step 2: Convert to fraction form
    192,171,652.40/288,257,478.60 = 70,978,026.80/x
  3. Step 3: Cross multiply
    192,171,652.40x = 288,257,478.60 × 70,978,026.80
  4. Step 4: Simplify right side
    192,171,652.40x = 20,459,947,041,371,228
  5. Step 5: Solve for x
    x = 20,459,947,041,371,228/192,171,652.40
  6. Step 6: Final answer
    x = 106,467,040.20

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