Home / 121,446,788.40-167,598,457.56-66,443,563.44

Finding the Fourth Proportional to 121,446,788.40, 167,598,457.56 and 66,443,563.44

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Solution

The fourth proportional to 121,446,788.40, 167,598,457.56 and 66,443,563.44 is: 91,693,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,446,788.40 : 167,598,457.56 = 66,443,563.44 : x
  2. Step 2: Convert to fraction form
    121,446,788.40/167,598,457.56 = 66,443,563.44/x
  3. Step 3: Cross multiply
    121,446,788.40x = 167,598,457.56 × 66,443,563.44
  4. Step 4: Simplify right side
    121,446,788.40x = 11,135,838,747,334,008
  5. Step 5: Solve for x
    x = 11,135,838,747,334,008/121,446,788.40
  6. Step 6: Final answer
    x = 91,693,151.33

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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.