Home / 69,192,128,758.60-103,777,706,452.86-18,831,486,942.18

Finding the Fourth Proportional to 69,192,128,758.60, 103,777,706,452.86 and 18,831,486,942.18

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Solution

The fourth proportional to 69,192,128,758.60, 103,777,706,452.86 and 18,831,486,942.18 is: 28,244,376,333.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,192,128,758.60 : 103,777,706,452.86 = 18,831,486,942.18 : x
  2. Step 2: Convert to fraction form
    69,192,128,758.60/103,777,706,452.86 = 18,831,486,942.18/x
  3. Step 3: Cross multiply
    69,192,128,758.60x = 103,777,706,452.86 × 18,831,486,942.18
  4. Step 4: Simplify right side
    69,192,128,758.60x = 1,954,288,523,956,422,180,864
  5. Step 5: Solve for x
    x = 1,954,288,523,956,422,180,864/69,192,128,758.60
  6. Step 6: Final answer
    x = 28,244,376,333.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.