Home / 355,868,989.55-533,883,975.51-192,103,231.04

Finding the Fourth Proportional to 355,868,989.55, 533,883,975.51 and 192,103,231.04

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Solution

The fourth proportional to 355,868,989.55, 533,883,975.51 and 192,103,231.04 is: 288,198,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,868,989.55 : 533,883,975.51 = 192,103,231.04 : x
  2. Step 2: Convert to fraction form
    355,868,989.55/533,883,975.51 = 192,103,231.04/x
  3. Step 3: Cross multiply
    355,868,989.55x = 533,883,975.51 × 192,103,231.04
  4. Step 4: Simplify right side
    355,868,989.55x = 102,560,836,695,951,232
  5. Step 5: Solve for x
    x = 102,560,836,695,951,232/355,868,989.55
  6. Step 6: Final answer
    x = 288,198,296.87

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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.