Home / 50,120,404.68-75,137,136.79-19,393,835.43

Finding the Fourth Proportional to 50,120,404.68, 75,137,136.79 and 19,393,835.43

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Solution

The fourth proportional to 50,120,404.68, 75,137,136.79 and 19,393,835.43 is: 29,073,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,120,404.68 : 75,137,136.79 = 19,393,835.43 : x
  2. Step 2: Convert to fraction form
    50,120,404.68/75,137,136.79 = 19,393,835.43/x
  3. Step 3: Cross multiply
    50,120,404.68x = 75,137,136.79 × 19,393,835.43
  4. Step 4: Simplify right side
    50,120,404.68x = 1,457,197,265,586,658.50
  5. Step 5: Solve for x
    x = 1,457,197,265,586,658.50/50,120,404.68
  6. Step 6: Final answer
    x = 29,073,932.56

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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.