Home / 221,105,820,166.39-331,691,892,237.28-77,659,565,241.39

Finding the Fourth Proportional to 221,105,820,166.39, 331,691,892,237.28 and 77,659,565,241.39

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Solution

The fourth proportional to 221,105,820,166.39, 331,691,892,237.28 and 77,659,565,241.39 is: 116,500,995,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,105,820,166.39 : 331,691,892,237.28 = 77,659,565,241.39 : x
  2. Step 2: Convert to fraction form
    221,105,820,166.39/331,691,892,237.28 = 77,659,565,241.39/x
  3. Step 3: Cross multiply
    221,105,820,166.39x = 331,691,892,237.28 × 77,659,565,241.39
  4. Step 4: Simplify right side
    221,105,820,166.39x = 25,759,048,145,239,489,380,352
  5. Step 5: Solve for x
    x = 25,759,048,145,239,489,380,352/221,105,820,166.39
  6. Step 6: Final answer
    x = 116,500,995,432.21

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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.