Home / 296,310,478.10-408,933,570.38-164,192,916.89

Finding the Fourth Proportional to 296,310,478.10, 408,933,570.38 and 164,192,916.89

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Solution

The fourth proportional to 296,310,478.10, 408,933,570.38 and 164,192,916.89 is: 226,600,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,310,478.10 : 408,933,570.38 = 164,192,916.89 : x
  2. Step 2: Convert to fraction form
    296,310,478.10/408,933,570.38 = 164,192,916.89/x
  3. Step 3: Cross multiply
    296,310,478.10x = 408,933,570.38 × 164,192,916.89
  4. Step 4: Simplify right side
    296,310,478.10x = 67,143,995,735,135,680
  5. Step 5: Solve for x
    x = 67,143,995,735,135,680/296,310,478.10
  6. Step 6: Final answer
    x = 226,600,139.71

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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.