Home / 121,694,136.75-167,938,056.33-65,939,514.04

Finding the Fourth Proportional to 121,694,136.75, 167,938,056.33 and 65,939,514.04

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Solution

The fourth proportional to 121,694,136.75, 167,938,056.33 and 65,939,514.04 is: 90,996,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,694,136.75 : 167,938,056.33 = 65,939,514.04 : x
  2. Step 2: Convert to fraction form
    121,694,136.75/167,938,056.33 = 65,939,514.04/x
  3. Step 3: Cross multiply
    121,694,136.75x = 167,938,056.33 × 65,939,514.04
  4. Step 4: Simplify right side
    121,694,136.75x = 11,073,753,823,222,346
  5. Step 5: Solve for x
    x = 11,073,753,823,222,346/121,694,136.75
  6. Step 6: Final answer
    x = 90,996,609.36

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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.