Home / 198,782,063.82-297,785,192.34-154,857,151.56

Finding the Fourth Proportional to 198,782,063.82, 297,785,192.34 and 154,857,151.56

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Solution

The fourth proportional to 198,782,063.82, 297,785,192.34 and 154,857,151.56 is: 231,983,539.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,782,063.82 : 297,785,192.34 = 154,857,151.56 : x
  2. Step 2: Convert to fraction form
    198,782,063.82/297,785,192.34 = 154,857,151.56/x
  3. Step 3: Cross multiply
    198,782,063.82x = 297,785,192.34 × 154,857,151.56
  4. Step 4: Simplify right side
    198,782,063.82x = 46,114,166,662,519,128
  5. Step 5: Solve for x
    x = 46,114,166,662,519,128/198,782,063.82
  6. Step 6: Final answer
    x = 231,983,539.04

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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.