Home / 73,307,313.87-109,961,072.87-31,231,161.60

Finding the Fourth Proportional to 73,307,313.87, 109,961,072.87 and 31,231,161.60

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Solution

The fourth proportional to 73,307,313.87, 109,961,072.87 and 31,231,161.60 is: 46,846,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,307,313.87 : 109,961,072.87 = 31,231,161.60 : x
  2. Step 2: Convert to fraction form
    73,307,313.87/109,961,072.87 = 31,231,161.60/x
  3. Step 3: Cross multiply
    73,307,313.87x = 109,961,072.87 × 31,231,161.60
  4. Step 4: Simplify right side
    73,307,313.87x = 3,434,212,036,356,190
  5. Step 5: Solve for x
    x = 3,434,212,036,356,190/73,307,313.87
  6. Step 6: Final answer
    x = 46,846,785.88

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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.