Home / 43,876,940.55-65,815,410.83-31,122,356.55

Finding the Fourth Proportional to 43,876,940.55, 65,815,410.83 and 31,122,356.55

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Solution

The fourth proportional to 43,876,940.55, 65,815,410.83 and 31,122,356.55 is: 46,683,534.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,876,940.55 : 65,815,410.83 = 31,122,356.55 : x
  2. Step 2: Convert to fraction form
    43,876,940.55/65,815,410.83 = 31,122,356.55/x
  3. Step 3: Cross multiply
    43,876,940.55x = 65,815,410.83 × 31,122,356.55
  4. Step 4: Simplify right side
    43,876,940.55x = 2,048,330,682,180,379.75
  5. Step 5: Solve for x
    x = 2,048,330,682,180,379.75/43,876,940.55
  6. Step 6: Final answer
    x = 46,683,534.83

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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.