Home / 208,015,218.40-312,022,827.60-100,519,794.40

Finding the Fourth Proportional to 208,015,218.40, 312,022,827.60 and 100,519,794.40

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Solution

The fourth proportional to 208,015,218.40, 312,022,827.60 and 100,519,794.40 is: 150,779,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,015,218.40 : 312,022,827.60 = 100,519,794.40 : x
  2. Step 2: Convert to fraction form
    208,015,218.40/312,022,827.60 = 100,519,794.40/x
  3. Step 3: Cross multiply
    208,015,218.40x = 312,022,827.60 × 100,519,794.40
  4. Step 4: Simplify right side
    208,015,218.40x = 31,364,470,478,458,648
  5. Step 5: Solve for x
    x = 31,364,470,478,458,648/208,015,218.40
  6. Step 6: Final answer
    x = 150,779,691.60

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