Home / 139,845,224.46-193,023,629.19-82,609,059.54

Finding the Fourth Proportional to 139,845,224.46, 193,023,629.19 and 82,609,059.54

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Solution

The fourth proportional to 139,845,224.46, 193,023,629.19 and 82,609,059.54 is: 114,022,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,845,224.46 : 193,023,629.19 = 82,609,059.54 : x
  2. Step 2: Convert to fraction form
    139,845,224.46/193,023,629.19 = 82,609,059.54/x
  3. Step 3: Cross multiply
    139,845,224.46x = 193,023,629.19 × 82,609,059.54
  4. Step 4: Simplify right side
    139,845,224.46x = 15,945,500,476,383,594
  5. Step 5: Solve for x
    x = 15,945,500,476,383,594/139,845,224.46
  6. Step 6: Final answer
    x = 114,022,488.35

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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.