Home / 31,101,136.20-46,651,704.30-19,791,721.80

Finding the Fourth Proportional to 31,101,136.20, 46,651,704.30 and 19,791,721.80

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Solution

The fourth proportional to 31,101,136.20, 46,651,704.30 and 19,791,721.80 is: 29,687,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,101,136.20 : 46,651,704.30 = 19,791,721.80 : x
  2. Step 2: Convert to fraction form
    31,101,136.20/46,651,704.30 = 19,791,721.80/x
  3. Step 3: Cross multiply
    31,101,136.20x = 46,651,704.30 × 19,791,721.80
  4. Step 4: Simplify right side
    31,101,136.20x = 923,317,553,001,463.75
  5. Step 5: Solve for x
    x = 923,317,553,001,463.75/31,101,136.20
  6. Step 6: Final answer
    x = 29,687,582.70

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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.