Home / 221,105,820,166.92-331,691,892,238.05-77,659,565,241.90

Finding the Fourth Proportional to 221,105,820,166.92, 331,691,892,238.05 and 77,659,565,241.90

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Solution

The fourth proportional to 221,105,820,166.92, 331,691,892,238.05 and 77,659,565,241.90 is: 116,500,995,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,105,820,166.92 : 331,691,892,238.05 = 77,659,565,241.90 : x
  2. Step 2: Convert to fraction form
    221,105,820,166.92/331,691,892,238.05 = 77,659,565,241.90/x
  3. Step 3: Cross multiply
    221,105,820,166.92x = 331,691,892,238.05 × 77,659,565,241.90
  4. Step 4: Simplify right side
    221,105,820,166.92x = 25,759,048,145,470,104,797,184
  5. Step 5: Solve for x
    x = 25,759,048,145,470,104,797,184/221,105,820,166.92
  6. Step 6: Final answer
    x = 116,500,995,432.97

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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.