Home / 120,303,936.23-166,015,136.12-68,091,850.58

Finding the Fourth Proportional to 120,303,936.23, 166,015,136.12 and 68,091,850.58

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Solution

The fourth proportional to 120,303,936.23, 166,015,136.12 and 68,091,850.58 is: 93,964,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,303,936.23 : 166,015,136.12 = 68,091,850.58 : x
  2. Step 2: Convert to fraction form
    120,303,936.23/166,015,136.12 = 68,091,850.58/x
  3. Step 3: Cross multiply
    120,303,936.23x = 166,015,136.12 × 68,091,850.58
  4. Step 4: Simplify right side
    120,303,936.23x = 11,304,277,841,530,868
  5. Step 5: Solve for x
    x = 11,304,277,841,530,868/120,303,936.23
  6. Step 6: Final answer
    x = 93,964,322.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.