Home / 67,173,212,791.05-100,773,970,315.35-21,790,377,320.39

Finding the Fourth Proportional to 67,173,212,791.05, 100,773,970,315.35 and 21,790,377,320.39

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Solution

The fourth proportional to 67,173,212,791.05, 100,773,970,315.35 and 21,790,377,320.39 is: 32,690,156,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,173,212,791.05 : 100,773,970,315.35 = 21,790,377,320.39 : x
  2. Step 2: Convert to fraction form
    67,173,212,791.05/100,773,970,315.35 = 21,790,377,320.39/x
  3. Step 3: Cross multiply
    67,173,212,791.05x = 100,773,970,315.35 × 21,790,377,320.39
  4. Step 4: Simplify right side
    67,173,212,791.05x = 2,195,902,837,245,157,048,320
  5. Step 5: Solve for x
    x = 2,195,902,837,245,157,048,320/67,173,212,791.05
  6. Step 6: Final answer
    x = 32,690,156,477.64

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1.5x scale

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.