Home / 195,338,679.90-269,557,478.82-115,957,134.48

Finding the Fourth Proportional to 195,338,679.90, 269,557,478.82 and 115,957,134.48

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Solution

The fourth proportional to 195,338,679.90, 269,557,478.82 and 115,957,134.48 is: 160,014,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,338,679.90 : 269,557,478.82 = 115,957,134.48 : x
  2. Step 2: Convert to fraction form
    195,338,679.90/269,557,478.82 = 115,957,134.48/x
  3. Step 3: Cross multiply
    195,338,679.90x = 269,557,478.82 × 115,957,134.48
  4. Step 4: Simplify right side
    195,338,679.90x = 31,257,112,821,620,492
  5. Step 5: Solve for x
    x = 31,257,112,821,620,492/195,338,679.90
  6. Step 6: Final answer
    x = 160,014,969.07

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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.