Home / 198,378,269.40-297,284,809.53-146,152,151.73

Finding the Fourth Proportional to 198,378,269.40, 297,284,809.53 and 146,152,151.73

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Solution

The fourth proportional to 198,378,269.40, 297,284,809.53 and 146,152,151.73 is: 219,020,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,378,269.40 : 297,284,809.53 = 146,152,151.73 : x
  2. Step 2: Convert to fraction form
    198,378,269.40/297,284,809.53 = 146,152,151.73/x
  3. Step 3: Cross multiply
    198,378,269.40x = 297,284,809.53 × 146,152,151.73
  4. Step 4: Simplify right side
    198,378,269.40x = 43,448,814,589,452,704
  5. Step 5: Solve for x
    x = 43,448,814,589,452,704/198,378,269.40
  6. Step 6: Final answer
    x = 219,020,030.37

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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.