Home / 198,782,036.85-297,785,151.83-154,857,124.54

Finding the Fourth Proportional to 198,782,036.85, 297,785,151.83 and 154,857,124.54

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Solution

The fourth proportional to 198,782,036.85, 297,785,151.83 and 154,857,124.54 is: 231,983,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,782,036.85 : 297,785,151.83 = 154,857,124.54 : x
  2. Step 2: Convert to fraction form
    198,782,036.85/297,785,151.83 = 154,857,124.54/x
  3. Step 3: Cross multiply
    198,782,036.85x = 297,785,151.83 × 154,857,124.54
  4. Step 4: Simplify right side
    198,782,036.85x = 46,114,152,342,183,960
  5. Step 5: Solve for x
    x = 46,114,152,342,183,960/198,782,036.85
  6. Step 6: Final answer
    x = 231,983,498.48

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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.