Home / 211,445,107.20-317,167,660.80-197,096,200.20

Finding the Fourth Proportional to 211,445,107.20, 317,167,660.80 and 197,096,200.20

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Solution

The fourth proportional to 211,445,107.20, 317,167,660.80 and 197,096,200.20 is: 295,644,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,445,107.20 : 317,167,660.80 = 197,096,200.20 : x
  2. Step 2: Convert to fraction form
    211,445,107.20/317,167,660.80 = 197,096,200.20/x
  3. Step 3: Cross multiply
    211,445,107.20x = 317,167,660.80 × 197,096,200.20
  4. Step 4: Simplify right side
    211,445,107.20x = 62,512,540,770,002,488
  5. Step 5: Solve for x
    x = 62,512,540,770,002,488/211,445,107.20
  6. Step 6: Final answer
    x = 295,644,300.30

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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.