Home / 121,203,942.54-167,256,608.31-68,279,417.34

Finding the Fourth Proportional to 121,203,942.54, 167,256,608.31 and 68,279,417.34

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Solution

The fourth proportional to 121,203,942.54, 167,256,608.31 and 68,279,417.34 is: 94,222,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,203,942.54 : 167,256,608.31 = 68,279,417.34 : x
  2. Step 2: Convert to fraction form
    121,203,942.54/167,256,608.31 = 68,279,417.34/x
  3. Step 3: Cross multiply
    121,203,942.54x = 167,256,608.31 × 68,279,417.34
  4. Step 4: Simplify right side
    121,203,942.54x = 11,420,183,761,671,402
  5. Step 5: Solve for x
    x = 11,420,183,761,671,402/121,203,942.54
  6. Step 6: Final answer
    x = 94,222,873.63

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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.