Home / 121,203,943.54-167,256,609.69-68,279,418.34

Finding the Fourth Proportional to 121,203,943.54, 167,256,609.69 and 68,279,418.34

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Solution

The fourth proportional to 121,203,943.54, 167,256,609.69 and 68,279,418.34 is: 94,222,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,203,943.54 : 167,256,609.69 = 68,279,418.34 : x
  2. Step 2: Convert to fraction form
    121,203,943.54/167,256,609.69 = 68,279,418.34/x
  3. Step 3: Cross multiply
    121,203,943.54x = 167,256,609.69 × 68,279,418.34
  4. Step 4: Simplify right side
    121,203,943.54x = 11,420,184,023,153,608
  5. Step 5: Solve for x
    x = 11,420,184,023,153,608/121,203,943.54
  6. Step 6: Final answer
    x = 94,222,875.01

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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.