Home / 53,378,899.01-73,678,540.58-31,057,135.56

Finding the Fourth Proportional to 53,378,899.01, 73,678,540.58 and 31,057,135.56

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Solution

The fourth proportional to 53,378,899.01, 73,678,540.58 and 31,057,135.56 is: 42,867,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,378,899.01 : 73,678,540.58 = 31,057,135.56 : x
  2. Step 2: Convert to fraction form
    53,378,899.01/73,678,540.58 = 31,057,135.56/x
  3. Step 3: Cross multiply
    53,378,899.01x = 73,678,540.58 × 31,057,135.56
  4. Step 4: Simplify right side
    53,378,899.01x = 2,288,244,422,500,735.50
  5. Step 5: Solve for x
    x = 2,288,244,422,500,735.50/53,378,899.01
  6. Step 6: Final answer
    x = 42,867,958.41

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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.