Home / 122,396,044.28-168,910,686.64-66,643,626.92

Finding the Fourth Proportional to 122,396,044.28, 168,910,686.64 and 66,643,626.92

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Solution

The fourth proportional to 122,396,044.28, 168,910,686.64 and 66,643,626.92 is: 91,970,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,396,044.28 : 168,910,686.64 = 66,643,626.92 : x
  2. Step 2: Convert to fraction form
    122,396,044.28/168,910,686.64 = 66,643,626.92/x
  3. Step 3: Cross multiply
    122,396,044.28x = 168,910,686.64 × 66,643,626.92
  4. Step 4: Simplify right side
    122,396,044.28x = 11,256,820,783,237,188
  5. Step 5: Solve for x
    x = 11,256,820,783,237,188/122,396,044.28
  6. Step 6: Final answer
    x = 91,970,462.36

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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.