Home / 143,744,114.85-215,616,172.28-109,306,738.05

Finding the Fourth Proportional to 143,744,114.85, 215,616,172.28 and 109,306,738.05

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Solution

The fourth proportional to 143,744,114.85, 215,616,172.28 and 109,306,738.05 is: 163,960,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,744,114.85 : 215,616,172.28 = 109,306,738.05 : x
  2. Step 2: Convert to fraction form
    143,744,114.85/215,616,172.28 = 109,306,738.05/x
  3. Step 3: Cross multiply
    143,744,114.85x = 215,616,172.28 × 109,306,738.05
  4. Step 4: Simplify right side
    143,744,114.85x = 23,568,300,462,207,096
  5. Step 5: Solve for x
    x = 23,568,300,462,207,096/143,744,114.85
  6. Step 6: Final answer
    x = 163,960,107.08

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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.