Home / 198,561,037.80-297,841,556.70-143,858,044.20

Finding the Fourth Proportional to 198,561,037.80, 297,841,556.70 and 143,858,044.20

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Solution

The fourth proportional to 198,561,037.80, 297,841,556.70 and 143,858,044.20 is: 215,787,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,561,037.80 : 297,841,556.70 = 143,858,044.20 : x
  2. Step 2: Convert to fraction form
    198,561,037.80/297,841,556.70 = 143,858,044.20/x
  3. Step 3: Cross multiply
    198,561,037.80x = 297,841,556.70 × 143,858,044.20
  4. Step 4: Simplify right side
    198,561,037.80x = 42,846,903,828,345,400
  5. Step 5: Solve for x
    x = 42,846,903,828,345,400/198,561,037.80
  6. Step 6: Final answer
    x = 215,787,066.30

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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.