Home / 198,378,270.40-297,284,811.03-146,152,152.73

Finding the Fourth Proportional to 198,378,270.40, 297,284,811.03 and 146,152,152.73

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Solution

The fourth proportional to 198,378,270.40, 297,284,811.03 and 146,152,152.73 is: 219,020,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,378,270.40 : 297,284,811.03 = 146,152,152.73 : x
  2. Step 2: Convert to fraction form
    198,378,270.40/297,284,811.03 = 146,152,152.73/x
  3. Step 3: Cross multiply
    198,378,270.40x = 297,284,811.03 × 146,152,152.73
  4. Step 4: Simplify right side
    198,378,270.40x = 43,448,815,105,965,744
  5. Step 5: Solve for x
    x = 43,448,815,105,965,744/198,378,270.40
  6. Step 6: Final answer
    x = 219,020,031.87

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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.