Home / 65,667,542.65-90,621,391.48-35,898,550.43

Finding the Fourth Proportional to 65,667,542.65, 90,621,391.48 and 35,898,550.43

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Solution

The fourth proportional to 65,667,542.65, 90,621,391.48 and 35,898,550.43 is: 49,540,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,667,542.65 : 90,621,391.48 = 35,898,550.43 : x
  2. Step 2: Convert to fraction form
    65,667,542.65/90,621,391.48 = 35,898,550.43/x
  3. Step 3: Cross multiply
    65,667,542.65x = 90,621,391.48 × 35,898,550.43
  4. Step 4: Simplify right side
    65,667,542.65x = 3,253,176,591,538,699
  5. Step 5: Solve for x
    x = 3,253,176,591,538,699/65,667,542.65
  6. Step 6: Final answer
    x = 49,540,099.42

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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.