Home / 140,288,664.40-209,866,126.20-121,329,998.80

Finding the Fourth Proportional to 140,288,664.40, 209,866,126.20 and 121,329,998.80

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Solution

The fourth proportional to 140,288,664.40, 209,866,126.20 and 121,329,998.80 is: 181,504,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,288,664.40 : 209,866,126.20 = 121,329,998.80 : x
  2. Step 2: Convert to fraction form
    140,288,664.40/209,866,126.20 = 121,329,998.80/x
  3. Step 3: Cross multiply
    140,288,664.40x = 209,866,126.20 × 121,329,998.80
  4. Step 4: Simplify right side
    140,288,664.40x = 25,463,056,840,006,648
  5. Step 5: Solve for x
    x = 25,463,056,840,006,648/140,288,664.40
  6. Step 6: Final answer
    x = 181,504,734.89

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