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Finding the Fourth Proportional to 137,978,811.83, 206,862,135.77 and 71,433,903.62

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Solution

The fourth proportional to 137,978,811.83, 206,862,135.77 and 71,433,903.62 is: 107,095,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,978,811.83 : 206,862,135.77 = 71,433,903.62 : x
  2. Step 2: Convert to fraction form
    137,978,811.83/206,862,135.77 = 71,433,903.62/x
  3. Step 3: Cross multiply
    137,978,811.83x = 206,862,135.77 × 71,433,903.62
  4. Step 4: Simplify right side
    137,978,811.83x = 14,776,969,867,960,142
  5. Step 5: Solve for x
    x = 14,776,969,867,960,142/137,978,811.83
  6. Step 6: Final answer
    x = 107,095,935.04

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