Home / 215,403,383,982.87-323,105,075,996.55-71,982,412,228.85

Finding the Fourth Proportional to 215,403,383,982.87, 323,105,075,996.55 and 71,982,412,228.85

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Solution

The fourth proportional to 215,403,383,982.87, 323,105,075,996.55 and 71,982,412,228.85 is: 107,973,618,350.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,403,383,982.87 : 323,105,075,996.55 = 71,982,412,228.85 : x
  2. Step 2: Convert to fraction form
    215,403,383,982.87/323,105,075,996.55 = 71,982,412,228.85/x
  3. Step 3: Cross multiply
    215,403,383,982.87x = 323,105,075,996.55 × 71,982,412,228.85
  4. Step 4: Simplify right side
    215,403,383,982.87x = 23,257,882,773,615,953,313,792
  5. Step 5: Solve for x
    x = 23,257,882,773,615,953,313,792/215,403,383,982.87
  6. Step 6: Final answer
    x = 107,973,618,350.70

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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.