Home / 121,649,463.38-167,874,869.49-65,893,832.66

Finding the Fourth Proportional to 121,649,463.38, 167,874,869.49 and 65,893,832.66

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Solution

The fourth proportional to 121,649,463.38, 167,874,869.49 and 65,893,832.66 is: 90,932,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,649,463.38 : 167,874,869.49 = 65,893,832.66 : x
  2. Step 2: Convert to fraction form
    121,649,463.38/167,874,869.49 = 65,893,832.66/x
  3. Step 3: Cross multiply
    121,649,463.38x = 167,874,869.49 × 65,893,832.66
  4. Step 4: Simplify right side
    121,649,463.38x = 11,061,918,557,154,026
  5. Step 5: Solve for x
    x = 11,061,918,557,154,026/121,649,463.38
  6. Step 6: Final answer
    x = 90,932,736.16

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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.