Home / 121,244,463.77-167,317,427.12-65,489,883.92

Finding the Fourth Proportional to 121,244,463.77, 167,317,427.12 and 65,489,883.92

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Solution

The fourth proportional to 121,244,463.77, 167,317,427.12 and 65,489,883.92 is: 90,376,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,244,463.77 : 167,317,427.12 = 65,489,883.92 : x
  2. Step 2: Convert to fraction form
    121,244,463.77/167,317,427.12 = 65,489,883.92/x
  3. Step 3: Cross multiply
    121,244,463.77x = 167,317,427.12 × 65,489,883.92
  4. Step 4: Simplify right side
    121,244,463.77x = 10,957,598,878,717,824
  5. Step 5: Solve for x
    x = 10,957,598,878,717,824/121,244,463.77
  6. Step 6: Final answer
    x = 90,376,076.06

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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.