Home / 180,438,608.45-248,962,601.75-102,122,161.91

Finding the Fourth Proportional to 180,438,608.45, 248,962,601.75 and 102,122,161.91

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Solution

The fourth proportional to 180,438,608.45, 248,962,601.75 and 102,122,161.91 is: 140,904,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,438,608.45 : 248,962,601.75 = 102,122,161.91 : x
  2. Step 2: Convert to fraction form
    180,438,608.45/248,962,601.75 = 102,122,161.91/x
  3. Step 3: Cross multiply
    180,438,608.45x = 248,962,601.75 × 102,122,161.91
  4. Step 4: Simplify right side
    180,438,608.45x = 25,424,599,125,121,568
  5. Step 5: Solve for x
    x = 25,424,599,125,121,568/180,438,608.45
  6. Step 6: Final answer
    x = 140,904,429.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.