Home / 300,883,402.20-451,328,578.16-90,795,908.34

Finding the Fourth Proportional to 300,883,402.20, 451,328,578.16 and 90,795,908.34

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Solution

The fourth proportional to 300,883,402.20, 451,328,578.16 and 90,795,908.34 is: 136,194,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,883,402.20 : 451,328,578.16 = 90,795,908.34 : x
  2. Step 2: Convert to fraction form
    300,883,402.20/451,328,578.16 = 90,795,908.34/x
  3. Step 3: Cross multiply
    300,883,402.20x = 451,328,578.16 × 90,795,908.34
  4. Step 4: Simplify right side
    300,883,402.20x = 40,978,788,213,383,904
  5. Step 5: Solve for x
    x = 40,978,788,213,383,904/300,883,402.20
  6. Step 6: Final answer
    x = 136,194,911.10

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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.