Home / 128,203,784.80-192,305,677.20-115,438,703.20

Finding the Fourth Proportional to 128,203,784.80, 192,305,677.20 and 115,438,703.20

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Solution

The fourth proportional to 128,203,784.80, 192,305,677.20 and 115,438,703.20 is: 173,158,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,203,784.80 : 192,305,677.20 = 115,438,703.20 : x
  2. Step 2: Convert to fraction form
    128,203,784.80/192,305,677.20 = 115,438,703.20/x
  3. Step 3: Cross multiply
    128,203,784.80x = 192,305,677.20 × 115,438,703.20
  4. Step 4: Simplify right side
    128,203,784.80x = 22,199,517,993,965,808
  5. Step 5: Solve for x
    x = 22,199,517,993,965,808/128,203,784.80
  6. Step 6: Final answer
    x = 173,158,054.80

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