Home / 305,979,920.70-422,239,977.27-166,747,676.10

Finding the Fourth Proportional to 305,979,920.70, 422,239,977.27 and 166,747,676.10

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Solution

The fourth proportional to 305,979,920.70, 422,239,977.27 and 166,747,676.10 is: 230,105,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,979,920.70 : 422,239,977.27 = 166,747,676.10 : x
  2. Step 2: Convert to fraction form
    305,979,920.70/422,239,977.27 = 166,747,676.10/x
  3. Step 3: Cross multiply
    305,979,920.70x = 422,239,977.27 × 166,747,676.10
  4. Step 4: Simplify right side
    305,979,920.70x = 70,407,534,966,289,320
  5. Step 5: Solve for x
    x = 70,407,534,966,289,320/305,979,920.70
  6. Step 6: Final answer
    x = 230,105,082.73

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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.