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Finding the Fourth Proportional to 303,196,956.70, 454,795,478.70 and 73,166,042.20

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Solution

The fourth proportional to 303,196,956.70, 454,795,478.70 and 73,166,042.20 is: 109,749,073.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,196,956.70 : 454,795,478.70 = 73,166,042.20 : x
  2. Step 2: Convert to fraction form
    303,196,956.70/454,795,478.70 = 73,166,042.20/x
  3. Step 3: Cross multiply
    303,196,956.70x = 454,795,478.70 × 73,166,042.20
  4. Step 4: Simplify right side
    303,196,956.70x = 33,275,585,186,933,400
  5. Step 5: Solve for x
    x = 33,275,585,186,933,400/303,196,956.70
  6. Step 6: Final answer
    x = 109,749,073.83

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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.