Home / 266,223,229.68-401,152,014.18-218,764,219.74

Finding the Fourth Proportional to 266,223,229.68, 401,152,014.18 and 218,764,219.74

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Solution

The fourth proportional to 266,223,229.68, 401,152,014.18 and 218,764,219.74 is: 329,639,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,223,229.68 : 401,152,014.18 = 218,764,219.74 : x
  2. Step 2: Convert to fraction form
    266,223,229.68/401,152,014.18 = 218,764,219.74/x
  3. Step 3: Cross multiply
    266,223,229.68x = 401,152,014.18 × 218,764,219.74
  4. Step 4: Simplify right side
    266,223,229.68x = 87,757,707,379,217,120
  5. Step 5: Solve for x
    x = 87,757,707,379,217,120/266,223,229.68
  6. Step 6: Final answer
    x = 329,639,556.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.