Home / 311,699,961.41-467,622,703.62-90,375,930.77

Finding the Fourth Proportional to 311,699,961.41, 467,622,703.62 and 90,375,930.77

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Solution

The fourth proportional to 311,699,961.41, 467,622,703.62 and 90,375,930.77 is: 135,584,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,699,961.41 : 467,622,703.62 = 90,375,930.77 : x
  2. Step 2: Convert to fraction form
    311,699,961.41/467,622,703.62 = 90,375,930.77/x
  3. Step 3: Cross multiply
    311,699,961.41x = 467,622,703.62 × 90,375,930.77
  4. Step 4: Simplify right side
    311,699,961.41x = 42,261,837,090,010,400
  5. Step 5: Solve for x
    x = 42,261,837,090,010,400/311,699,961.41
  6. Step 6: Final answer
    x = 135,584,993.01

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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.