Home / 121,780,784.22-167,894,906.28-96,745,959.11

Finding the Fourth Proportional to 121,780,784.22, 167,894,906.28 and 96,745,959.11

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Solution

The fourth proportional to 121,780,784.22, 167,894,906.28 and 96,745,959.11 is: 133,380,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,780,784.22 : 167,894,906.28 = 96,745,959.11 : x
  2. Step 2: Convert to fraction form
    121,780,784.22/167,894,906.28 = 96,745,959.11/x
  3. Step 3: Cross multiply
    121,780,784.22x = 167,894,906.28 × 96,745,959.11
  4. Step 4: Simplify right side
    121,780,784.22x = 16,243,153,736,902,688
  5. Step 5: Solve for x
    x = 16,243,153,736,902,688/121,780,784.22
  6. Step 6: Final answer
    x = 133,380,268.82

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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.