Home / 168,491,487.70-252,737,231.55-149,359,611.70

Finding the Fourth Proportional to 168,491,487.70, 252,737,231.55 and 149,359,611.70

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Solution

The fourth proportional to 168,491,487.70, 252,737,231.55 and 149,359,611.70 is: 224,039,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,491,487.70 : 252,737,231.55 = 149,359,611.70 : x
  2. Step 2: Convert to fraction form
    168,491,487.70/252,737,231.55 = 149,359,611.70/x
  3. Step 3: Cross multiply
    168,491,487.70x = 252,737,231.55 × 149,359,611.70
  4. Step 4: Simplify right side
    168,491,487.70x = 37,748,734,766,440,984
  5. Step 5: Solve for x
    x = 37,748,734,766,440,984/168,491,487.70
  6. Step 6: Final answer
    x = 224,039,417.55

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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.