Home / 115,037,086.34-158,755,096.82-68,034,451.40

Finding the Fourth Proportional to 115,037,086.34, 158,755,096.82 and 68,034,451.40

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Solution

The fourth proportional to 115,037,086.34, 158,755,096.82 and 68,034,451.40 is: 93,889,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,037,086.34 : 158,755,096.82 = 68,034,451.40 : x
  2. Step 2: Convert to fraction form
    115,037,086.34/158,755,096.82 = 68,034,451.40/x
  3. Step 3: Cross multiply
    115,037,086.34x = 158,755,096.82 × 68,034,451.40
  4. Step 4: Simplify right side
    115,037,086.34x = 10,800,815,918,691,874
  5. Step 5: Solve for x
    x = 10,800,815,918,691,874/115,037,086.34
  6. Step 6: Final answer
    x = 93,889,859.89

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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.