Home / 207,738,002.20-311,607,003.30-198,172,064.20

Finding the Fourth Proportional to 207,738,002.20, 311,607,003.30 and 198,172,064.20

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Solution

The fourth proportional to 207,738,002.20, 311,607,003.30 and 198,172,064.20 is: 297,258,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,738,002.20 : 311,607,003.30 = 198,172,064.20 : x
  2. Step 2: Convert to fraction form
    207,738,002.20/311,607,003.30 = 198,172,064.20/x
  3. Step 3: Cross multiply
    207,738,002.20x = 311,607,003.30 × 198,172,064.20
  4. Step 4: Simplify right side
    207,738,002.20x = 61,751,803,063,137,208
  5. Step 5: Solve for x
    x = 61,751,803,063,137,208/207,738,002.20
  6. Step 6: Final answer
    x = 297,258,096.30

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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.