Home / 43,315,136.45-64,969,456.97-12,609,951.69

Finding the Fourth Proportional to 43,315,136.45, 64,969,456.97 and 12,609,951.69

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Solution

The fourth proportional to 43,315,136.45, 64,969,456.97 and 12,609,951.69 is: 18,913,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315,136.45 : 64,969,456.97 = 12,609,951.69 : x
  2. Step 2: Convert to fraction form
    43,315,136.45/64,969,456.97 = 12,609,951.69/x
  3. Step 3: Cross multiply
    43,315,136.45x = 64,969,456.97 × 12,609,951.69
  4. Step 4: Simplify right side
    43,315,136.45x = 819,261,713,748,758.62
  5. Step 5: Solve for x
    x = 819,261,713,748,758.62/43,315,136.45
  6. Step 6: Final answer
    x = 18,913,982.06

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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.