Home / 72,449,339,496.05-108,723,650,005.42-25,285,813,375.68

Finding the Fourth Proportional to 72,449,339,496.05, 108,723,650,005.42 and 25,285,813,375.68

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Solution

The fourth proportional to 72,449,339,496.05, 108,723,650,005.42 and 25,285,813,375.68 is: 37,946,045,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,449,339,496.05 : 108,723,650,005.42 = 25,285,813,375.68 : x
  2. Step 2: Convert to fraction form
    72,449,339,496.05/108,723,650,005.42 = 25,285,813,375.68/x
  3. Step 3: Cross multiply
    72,449,339,496.05x = 108,723,650,005.42 × 25,285,813,375.68
  4. Step 4: Simplify right side
    72,449,339,496.05x = 2,749,165,923,559,799,783,424
  5. Step 5: Solve for x
    x = 2,749,165,923,559,799,783,424/72,449,339,496.05
  6. Step 6: Final answer
    x = 37,946,045,370.22

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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.