Home / 47,600,002.50-71,399,997.45-31,422,163.20

Finding the Fourth Proportional to 47,600,002.50, 71,399,997.45 and 31,422,163.20

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Solution

The fourth proportional to 47,600,002.50, 71,399,997.45 and 31,422,163.20 is: 47,133,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,600,002.50 : 71,399,997.45 = 31,422,163.20 : x
  2. Step 2: Convert to fraction form
    47,600,002.50/71,399,997.45 = 31,422,163.20/x
  3. Step 3: Cross multiply
    47,600,002.50x = 71,399,997.45 × 31,422,163.20
  4. Step 4: Simplify right side
    47,600,002.50x = 2,243,542,372,353,484
  5. Step 5: Solve for x
    x = 2,243,542,372,353,484/47,600,002.50
  6. Step 6: Final answer
    x = 47,133,240.64

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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.