Home / 209,297,283.12-313,996,174.92-65,690,115.12

Finding the Fourth Proportional to 209,297,283.12, 313,996,174.92 and 65,690,115.12

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Solution

The fourth proportional to 209,297,283.12, 313,996,174.92 and 65,690,115.12 is: 98,550,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,297,283.12 : 313,996,174.92 = 65,690,115.12 : x
  2. Step 2: Convert to fraction form
    209,297,283.12/313,996,174.92 = 65,690,115.12/x
  3. Step 3: Cross multiply
    209,297,283.12x = 313,996,174.92 × 65,690,115.12
  4. Step 4: Simplify right side
    209,297,283.12x = 20,626,444,877,734,456
  5. Step 5: Solve for x
    x = 20,626,444,877,734,456/209,297,283.12
  6. Step 6: Final answer
    x = 98,550,944.24

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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.