Home / 172,129,293-258,193,781.74-53,954,903.79

Finding the Fourth Proportional to 172,129,293, 258,193,781.74 and 53,954,903.79

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Solution

The fourth proportional to 172,129,293, 258,193,781.74 and 53,954,903.79 is: 80,932,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,129,293 : 258,193,781.74 = 53,954,903.79 : x
  2. Step 2: Convert to fraction form
    172,129,293/258,193,781.74 = 53,954,903.79/x
  3. Step 3: Cross multiply
    172,129,293x = 258,193,781.74 × 53,954,903.79
  4. Step 4: Simplify right side
    172,129,293x = 13,930,820,651,860,266
  5. Step 5: Solve for x
    x = 13,930,820,651,860,266/172,129,293
  6. Step 6: Final answer
    x = 80,932,306.23

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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.