Home / 120,436,431,748.56-180,675,229,003.89-49,652,448,455.41

Finding the Fourth Proportional to 120,436,431,748.56, 180,675,229,003.89 and 49,652,448,455.41

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Solution

The fourth proportional to 120,436,431,748.56, 180,675,229,003.89 and 49,652,448,455.41 is: 74,487,157,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,436,431,748.56 : 180,675,229,003.89 = 49,652,448,455.41 : x
  2. Step 2: Convert to fraction form
    120,436,431,748.56/180,675,229,003.89 = 49,652,448,455.41/x
  3. Step 3: Cross multiply
    120,436,431,748.56x = 180,675,229,003.89 × 49,652,448,455.41
  4. Step 4: Simplify right side
    120,436,431,748.56x = 8,970,967,495,284,685,275,136
  5. Step 5: Solve for x
    x = 8,970,967,495,284,685,275,136/120,436,431,748.56
  6. Step 6: Final answer
    x = 74,487,157,789.71

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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.