Home / 221,105,820,166.54-331,691,892,237.47-77,659,565,241.53

Finding the Fourth Proportional to 221,105,820,166.54, 331,691,892,237.47 and 77,659,565,241.53

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Solution

The fourth proportional to 221,105,820,166.54, 331,691,892,237.47 and 77,659,565,241.53 is: 116,500,995,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,105,820,166.54 : 331,691,892,237.47 = 77,659,565,241.53 : x
  2. Step 2: Convert to fraction form
    221,105,820,166.54/331,691,892,237.47 = 77,659,565,241.53/x
  3. Step 3: Cross multiply
    221,105,820,166.54x = 331,691,892,237.47 × 77,659,565,241.53
  4. Step 4: Simplify right side
    221,105,820,166.54x = 25,759,048,145,300,675,887,104
  5. Step 5: Solve for x
    x = 25,759,048,145,300,675,887,104/221,105,820,166.54
  6. Step 6: Final answer
    x = 116,500,995,432.41

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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.