Home / 207,626,804.57-311,471,170.55-76,458,992.47

Finding the Fourth Proportional to 207,626,804.57, 311,471,170.55 and 76,458,992.47

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Solution

The fourth proportional to 207,626,804.57, 311,471,170.55 and 76,458,992.47 is: 114,699,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,626,804.57 : 311,471,170.55 = 76,458,992.47 : x
  2. Step 2: Convert to fraction form
    207,626,804.57/311,471,170.55 = 76,458,992.47/x
  3. Step 3: Cross multiply
    207,626,804.57x = 311,471,170.55 × 76,458,992.47
  4. Step 4: Simplify right side
    207,626,804.57x = 23,814,771,883,704,536
  5. Step 5: Solve for x
    x = 23,814,771,883,704,536/207,626,804.57
  6. Step 6: Final answer
    x = 114,699,891.15

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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.