Home / 122,745,863.88-169,444,532.46-80,954,721.42

Finding the Fourth Proportional to 122,745,863.88, 169,444,532.46 and 80,954,721.42

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Solution

The fourth proportional to 122,745,863.88, 169,444,532.46 and 80,954,721.42 is: 111,753,948.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,745,863.88 : 169,444,532.46 = 80,954,721.42 : x
  2. Step 2: Convert to fraction form
    122,745,863.88/169,444,532.46 = 80,954,721.42/x
  3. Step 3: Cross multiply
    122,745,863.88x = 169,444,532.46 × 80,954,721.42
  4. Step 4: Simplify right side
    122,745,863.88x = 13,717,334,921,441,448
  5. Step 5: Solve for x
    x = 13,717,334,921,441,448/122,745,863.88
  6. Step 6: Final answer
    x = 111,753,948.26

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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.