Home / 71,861,345.45-107,792,882.00-20,042,794.01

Finding the Fourth Proportional to 71,861,345.45, 107,792,882.00 and 20,042,794.01

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Solution

The fourth proportional to 71,861,345.45, 107,792,882.00 and 20,042,794.01 is: 30,064,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,861,345.45 : 107,792,882.00 = 20,042,794.01 : x
  2. Step 2: Convert to fraction form
    71,861,345.45/107,792,882.00 = 20,042,794.01/x
  3. Step 3: Cross multiply
    71,861,345.45x = 107,792,882.00 × 20,042,794.01
  4. Step 4: Simplify right side
    71,861,345.45x = 2,160,470,529,555,231.75
  5. Step 5: Solve for x
    x = 2,160,470,529,555,231.75/71,861,345.45
  6. Step 6: Final answer
    x = 30,064,431.94

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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.