Home / 198,377,172.50-297,568,810.22-75,562,338.38

Finding the Fourth Proportional to 198,377,172.50, 297,568,810.22 and 75,562,338.38

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Solution

The fourth proportional to 198,377,172.50, 297,568,810.22 and 75,562,338.38 is: 113,344,669.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,377,172.50 : 297,568,810.22 = 75,562,338.38 : x
  2. Step 2: Convert to fraction form
    198,377,172.50/297,568,810.22 = 75,562,338.38/x
  3. Step 3: Cross multiply
    198,377,172.50x = 297,568,810.22 × 75,562,338.38
  4. Step 4: Simplify right side
    198,377,172.50x = 22,484,995,127,311,984
  5. Step 5: Solve for x
    x = 22,484,995,127,311,984/198,377,172.50
  6. Step 6: Final answer
    x = 113,344,669.88

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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.