Home / 121,244,464.04-167,317,427.55-65,489,884.19

Finding the Fourth Proportional to 121,244,464.04, 167,317,427.55 and 65,489,884.19

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Solution

The fourth proportional to 121,244,464.04, 167,317,427.55 and 65,489,884.19 is: 90,376,076.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,244,464.04 : 167,317,427.55 = 65,489,884.19 : x
  2. Step 2: Convert to fraction form
    121,244,464.04/167,317,427.55 = 65,489,884.19/x
  3. Step 3: Cross multiply
    121,244,464.04x = 167,317,427.55 × 65,489,884.19
  4. Step 4: Simplify right side
    121,244,464.04x = 10,957,598,953,254,656
  5. Step 5: Solve for x
    x = 10,957,598,953,254,656/121,244,464.04
  6. Step 6: Final answer
    x = 90,376,076.47

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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.