Home / 120,436,431,749.68-180,675,229,005.58-49,652,448,456.56

Finding the Fourth Proportional to 120,436,431,749.68, 180,675,229,005.58 and 49,652,448,456.56

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Solution

The fourth proportional to 120,436,431,749.68, 180,675,229,005.58 and 49,652,448,456.56 is: 74,487,157,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,436,431,749.68 : 180,675,229,005.58 = 49,652,448,456.56 : x
  2. Step 2: Convert to fraction form
    120,436,431,749.68/180,675,229,005.58 = 49,652,448,456.56/x
  3. Step 3: Cross multiply
    120,436,431,749.68x = 180,675,229,005.58 × 49,652,448,456.56
  4. Step 4: Simplify right side
    120,436,431,749.68x = 8,970,967,495,576,012,193,792
  5. Step 5: Solve for x
    x = 8,970,967,495,576,012,193,792/120,436,431,749.68
  6. Step 6: Final answer
    x = 74,487,157,791.44

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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.