Home / 76,629,383.21-105,836,518.73-55,814,151.44

Finding the Fourth Proportional to 76,629,383.21, 105,836,518.73 and 55,814,151.44

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Solution

The fourth proportional to 76,629,383.21, 105,836,518.73 and 55,814,151.44 is: 77,087,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,629,383.21 : 105,836,518.73 = 55,814,151.44 : x
  2. Step 2: Convert to fraction form
    76,629,383.21/105,836,518.73 = 55,814,151.44/x
  3. Step 3: Cross multiply
    76,629,383.21x = 105,836,518.73 × 55,814,151.44
  4. Step 4: Simplify right side
    76,629,383.21x = 5,907,175,484,682,744
  5. Step 5: Solve for x
    x = 5,907,175,484,682,744/76,629,383.21
  6. Step 6: Final answer
    x = 77,087,603.18

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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.