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Finding the Fourth Proportional to 136,565,793.60, 204,848,690.40 and 120,781,995.90

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Solution

The fourth proportional to 136,565,793.60, 204,848,690.40 and 120,781,995.90 is: 181,172,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,565,793.60 : 204,848,690.40 = 120,781,995.90 : x
  2. Step 2: Convert to fraction form
    136,565,793.60/204,848,690.40 = 120,781,995.90/x
  3. Step 3: Cross multiply
    136,565,793.60x = 204,848,690.40 × 120,781,995.90
  4. Step 4: Simplify right side
    136,565,793.60x = 24,742,033,684,013,172
  5. Step 5: Solve for x
    x = 24,742,033,684,013,172/136,565,793.60
  6. Step 6: Final answer
    x = 181,172,993.85

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