Home / 81,629,745.48-112,649,163.78-44,460,171.24

Finding the Fourth Proportional to 81,629,745.48, 112,649,163.78 and 44,460,171.24

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Solution

The fourth proportional to 81,629,745.48, 112,649,163.78 and 44,460,171.24 is: 61,355,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,629,745.48 : 112,649,163.78 = 44,460,171.24 : x
  2. Step 2: Convert to fraction form
    81,629,745.48/112,649,163.78 = 44,460,171.24/x
  3. Step 3: Cross multiply
    81,629,745.48x = 112,649,163.78 × 44,460,171.24
  4. Step 4: Simplify right side
    81,629,745.48x = 5,008,401,111,701,606
  5. Step 5: Solve for x
    x = 5,008,401,111,701,606/81,629,745.48
  6. Step 6: Final answer
    x = 61,355,098.96

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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.