Home / 122,654,452.52-169,265,140.07-66,899,858.81

Finding the Fourth Proportional to 122,654,452.52, 169,265,140.07 and 66,899,858.81

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Solution

The fourth proportional to 122,654,452.52, 169,265,140.07 and 66,899,858.81 is: 92,322,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,654,452.52 : 169,265,140.07 = 66,899,858.81 : x
  2. Step 2: Convert to fraction form
    122,654,452.52/169,265,140.07 = 66,899,858.81/x
  3. Step 3: Cross multiply
    122,654,452.52x = 169,265,140.07 × 66,899,858.81
  4. Step 4: Simplify right side
    122,654,452.52x = 11,323,813,970,957,048
  5. Step 5: Solve for x
    x = 11,323,813,970,957,048/122,654,452.52
  6. Step 6: Final answer
    x = 92,322,893.62

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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.