Home / 213,851,397.38-320,912,032.37-91,029,514.29

Finding the Fourth Proportional to 213,851,397.38, 320,912,032.37 and 91,029,514.29

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Solution

The fourth proportional to 213,851,397.38, 320,912,032.37 and 91,029,514.29 is: 136,601,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,851,397.38 : 320,912,032.37 = 91,029,514.29 : x
  2. Step 2: Convert to fraction form
    213,851,397.38/320,912,032.37 = 91,029,514.29/x
  3. Step 3: Cross multiply
    213,851,397.38x = 320,912,032.37 × 91,029,514.29
  4. Step 4: Simplify right side
    213,851,397.38x = 29,212,466,435,958,396
  5. Step 5: Solve for x
    x = 29,212,466,435,958,396/213,851,397.38
  6. Step 6: Final answer
    x = 136,601,709.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.