Home / 79,097,469.85-109,155,381.45-43,815,815.37

Finding the Fourth Proportional to 79,097,469.85, 109,155,381.45 and 43,815,815.37

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Solution

The fourth proportional to 79,097,469.85, 109,155,381.45 and 43,815,815.37 is: 60,466,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,097,469.85 : 109,155,381.45 = 43,815,815.37 : x
  2. Step 2: Convert to fraction form
    79,097,469.85/109,155,381.45 = 43,815,815.37/x
  3. Step 3: Cross multiply
    79,097,469.85x = 109,155,381.45 × 43,815,815.37
  4. Step 4: Simplify right side
    79,097,469.85x = 4,782,732,040,145,583
  5. Step 5: Solve for x
    x = 4,782,732,040,145,583/79,097,469.85
  6. Step 6: Final answer
    x = 60,466,308.84

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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.