Home / 76,347,129.24-114,628,310.66-54,769,968.54

Finding the Fourth Proportional to 76,347,129.24, 114,628,310.66 and 54,769,968.54

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Solution

The fourth proportional to 76,347,129.24, 114,628,310.66 and 54,769,968.54 is: 82,232,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,347,129.24 : 114,628,310.66 = 54,769,968.54 : x
  2. Step 2: Convert to fraction form
    76,347,129.24/114,628,310.66 = 54,769,968.54/x
  3. Step 3: Cross multiply
    76,347,129.24x = 114,628,310.66 × 54,769,968.54
  4. Step 4: Simplify right side
    76,347,129.24x = 6,278,188,968,778,471
  5. Step 5: Solve for x
    x = 6,278,188,968,778,471/76,347,129.24
  6. Step 6: Final answer
    x = 82,232,155.04

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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.