Home / 121,141,892.10-167,174,958.32-66,137,748.60

Finding the Fourth Proportional to 121,141,892.10, 167,174,958.32 and 66,137,748.60

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Solution

The fourth proportional to 121,141,892.10, 167,174,958.32 and 66,137,748.60 is: 91,269,627.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,141,892.10 : 167,174,958.32 = 66,137,748.60 : x
  2. Step 2: Convert to fraction form
    121,141,892.10/167,174,958.32 = 66,137,748.60/x
  3. Step 3: Cross multiply
    121,141,892.10x = 167,174,958.32 × 66,137,748.60
  4. Step 4: Simplify right side
    121,141,892.10x = 11,056,575,365,583,638
  5. Step 5: Solve for x
    x = 11,056,575,365,583,638/121,141,892.10
  6. Step 6: Final answer
    x = 91,269,627.49

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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.