Home / 198,377,167.74-297,568,802.68-75,562,333.62

Finding the Fourth Proportional to 198,377,167.74, 297,568,802.68 and 75,562,333.62

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Solution

The fourth proportional to 198,377,167.74, 297,568,802.68 and 75,562,333.62 is: 113,344,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,377,167.74 : 297,568,802.68 = 75,562,333.62 : x
  2. Step 2: Convert to fraction form
    198,377,167.74/297,568,802.68 = 75,562,333.62/x
  3. Step 3: Cross multiply
    198,377,167.74x = 297,568,802.68 × 75,562,333.62
  4. Step 4: Simplify right side
    198,377,167.74x = 22,484,993,143,010,112
  5. Step 5: Solve for x
    x = 22,484,993,143,010,112/198,377,167.74
  6. Step 6: Final answer
    x = 113,344,662.59

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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.