Home / 214,431,958.94-321,783,982.56-91,611,201.69

Finding the Fourth Proportional to 214,431,958.94, 321,783,982.56 and 91,611,201.69

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Solution

The fourth proportional to 214,431,958.94, 321,783,982.56 and 91,611,201.69 is: 137,474,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,431,958.94 : 321,783,982.56 = 91,611,201.69 : x
  2. Step 2: Convert to fraction form
    214,431,958.94/321,783,982.56 = 91,611,201.69/x
  3. Step 3: Cross multiply
    214,431,958.94x = 321,783,982.56 × 91,611,201.69
  4. Step 4: Simplify right side
    214,431,958.94x = 29,479,017,326,915,600
  5. Step 5: Solve for x
    x = 29,479,017,326,915,600/214,431,958.94
  6. Step 6: Final answer
    x = 137,474,924.32

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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.