Home / 82,206,074.56-123,308,759.76-20,795,814.40

Finding the Fourth Proportional to 82,206,074.56, 123,308,759.76 and 20,795,814.40

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Solution

The fourth proportional to 82,206,074.56, 123,308,759.76 and 20,795,814.40 is: 31,193,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,206,074.56 : 123,308,759.76 = 20,795,814.40 : x
  2. Step 2: Convert to fraction form
    82,206,074.56/123,308,759.76 = 20,795,814.40/x
  3. Step 3: Cross multiply
    82,206,074.56x = 123,308,759.76 × 20,795,814.40
  4. Step 4: Simplify right side
    82,206,074.56x = 2,564,306,081,863,148.50
  5. Step 5: Solve for x
    x = 2,564,306,081,863,148.50/82,206,074.56
  6. Step 6: Final answer
    x = 31,193,632.53

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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.