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Finding the Fourth Proportional to 30,279,450.45, 45,419,175.68 and 30,279,450.45

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Solution

The fourth proportional to 30,279,450.45, 45,419,175.68 and 30,279,450.45 is: 45,419,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279,450.45 : 45,419,175.68 = 30,279,450.45 : x
  2. Step 2: Convert to fraction form
    30,279,450.45/45,419,175.68 = 30,279,450.45/x
  3. Step 3: Cross multiply
    30,279,450.45x = 45,419,175.68 × 30,279,450.45
  4. Step 4: Simplify right side
    30,279,450.45x = 1,375,267,679,331,007.75
  5. Step 5: Solve for x
    x = 1,375,267,679,331,007.75/30,279,450.45
  6. Step 6: Final answer
    x = 45,419,175.68

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1.5x scale

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.