Home / 55,086,815.70-82,661,716.35-21,032,601.30

Finding the Fourth Proportional to 55,086,815.70, 82,661,716.35 and 21,032,601.30

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Solution

The fourth proportional to 55,086,815.70, 82,661,716.35 and 21,032,601.30 is: 31,560,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,086,815.70 : 82,661,716.35 = 21,032,601.30 : x
  2. Step 2: Convert to fraction form
    55,086,815.70/82,661,716.35 = 21,032,601.30/x
  3. Step 3: Cross multiply
    55,086,815.70x = 82,661,716.35 × 21,032,601.30
  4. Step 4: Simplify right side
    55,086,815.70x = 1,738,590,922,763,241.25
  5. Step 5: Solve for x
    x = 1,738,590,922,763,241.25/55,086,815.70
  6. Step 6: Final answer
    x = 31,560,926.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.