Home / 209,236,022,299.66-313,903,915,771.45-67,745,486,568.64

Finding the Fourth Proportional to 209,236,022,299.66, 313,903,915,771.45 and 67,745,486,568.64

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Solution

The fourth proportional to 209,236,022,299.66, 313,903,915,771.45 and 67,745,486,568.64 is: 101,634,380,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,236,022,299.66 : 313,903,915,771.45 = 67,745,486,568.64 : x
  2. Step 2: Convert to fraction form
    209,236,022,299.66/313,903,915,771.45 = 67,745,486,568.64/x
  3. Step 3: Cross multiply
    209,236,022,299.66x = 313,903,915,771.45 × 67,745,486,568.64
  4. Step 4: Simplify right side
    209,236,022,299.66x = 21,265,573,509,738,266,624,000
  5. Step 5: Solve for x
    x = 21,265,573,509,738,266,624,000/209,236,022,299.66
  6. Step 6: Final answer
    x = 101,634,380,524.03

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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.