Home / 243,568,717.20-365,353,075.80-219,382,246.80

Finding the Fourth Proportional to 243,568,717.20, 365,353,075.80 and 219,382,246.80

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Solution

The fourth proportional to 243,568,717.20, 365,353,075.80 and 219,382,246.80 is: 329,073,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,568,717.20 : 365,353,075.80 = 219,382,246.80 : x
  2. Step 2: Convert to fraction form
    243,568,717.20/365,353,075.80 = 219,382,246.80/x
  3. Step 3: Cross multiply
    243,568,717.20x = 365,353,075.80 × 219,382,246.80
  4. Step 4: Simplify right side
    243,568,717.20x = 80,151,978,644,294,720
  5. Step 5: Solve for x
    x = 80,151,978,644,294,720/243,568,717.20
  6. Step 6: Final answer
    x = 329,073,370.20

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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.