Home / 215,093,383,503.72-296,962,828,257.42-136,922,586,288.45

Finding the Fourth Proportional to 215,093,383,503.72, 296,962,828,257.42 and 136,922,586,288.45

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Solution

The fourth proportional to 215,093,383,503.72, 296,962,828,257.42 and 136,922,586,288.45 is: 189,038,443,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,093,383,503.72 : 296,962,828,257.42 = 136,922,586,288.45 : x
  2. Step 2: Convert to fraction form
    215,093,383,503.72/296,962,828,257.42 = 136,922,586,288.45/x
  3. Step 3: Cross multiply
    215,093,383,503.72x = 296,962,828,257.42 × 136,922,586,288.45
  4. Step 4: Simplify right side
    215,093,383,503.72x = 40,660,918,476,538,740,998,144
  5. Step 5: Solve for x
    x = 40,660,918,476,538,740,998,144/215,093,383,503.72
  6. Step 6: Final answer
    x = 189,038,443,741.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.