Home / 31,455,098,399.65-43,408,034,131.40-16,987,191,961.32

Finding the Fourth Proportional to 31,455,098,399.65, 43,408,034,131.40 and 16,987,191,961.32

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Solution

The fourth proportional to 31,455,098,399.65, 43,408,034,131.40 and 16,987,191,961.32 is: 23,442,324,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455,098,399.65 : 43,408,034,131.40 = 16,987,191,961.32 : x
  2. Step 2: Convert to fraction form
    31,455,098,399.65/43,408,034,131.40 = 16,987,191,961.32/x
  3. Step 3: Cross multiply
    31,455,098,399.65x = 43,408,034,131.40 × 16,987,191,961.32
  4. Step 4: Simplify right side
    31,455,098,399.65x = 737,380,608,453,622,235,136
  5. Step 5: Solve for x
    x = 737,380,608,453,622,235,136/31,455,098,399.65
  6. Step 6: Final answer
    x = 23,442,324,010.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.