Home / 199,676,318.40-299,962,375.20-192,062,059.20

Finding the Fourth Proportional to 199,676,318.40, 299,962,375.20 and 192,062,059.20

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Solution

The fourth proportional to 199,676,318.40, 299,962,375.20 and 192,062,059.20 is: 288,523,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,676,318.40 : 299,962,375.20 = 192,062,059.20 : x
  2. Step 2: Convert to fraction form
    199,676,318.40/299,962,375.20 = 192,062,059.20/x
  3. Step 3: Cross multiply
    199,676,318.40x = 299,962,375.20 × 192,062,059.20
  4. Step 4: Simplify right side
    199,676,318.40x = 57,611,391,463,435,008
  5. Step 5: Solve for x
    x = 57,611,391,463,435,008/199,676,318.40
  6. Step 6: Final answer
    x = 288,523,906.72

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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.