Home / 297,207,002.70-445,810,504.05-81,796,250.70

Finding the Fourth Proportional to 297,207,002.70, 445,810,504.05 and 81,796,250.70

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Solution

The fourth proportional to 297,207,002.70, 445,810,504.05 and 81,796,250.70 is: 122,694,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,207,002.70 : 445,810,504.05 = 81,796,250.70 : x
  2. Step 2: Convert to fraction form
    297,207,002.70/445,810,504.05 = 81,796,250.70/x
  3. Step 3: Cross multiply
    297,207,002.70x = 445,810,504.05 × 81,796,250.70
  4. Step 4: Simplify right side
    297,207,002.70x = 36,465,627,753,967,168
  5. Step 5: Solve for x
    x = 36,465,627,753,967,168/297,207,002.70
  6. Step 6: Final answer
    x = 122,694,376.05

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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.