Home / 279,132,984.33-418,744,957.79-82,416,282.54

Finding the Fourth Proportional to 279,132,984.33, 418,744,957.79 and 82,416,282.54

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Solution

The fourth proportional to 279,132,984.33, 418,744,957.79 and 82,416,282.54 is: 123,637,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,132,984.33 : 418,744,957.79 = 82,416,282.54 : x
  2. Step 2: Convert to fraction form
    279,132,984.33/418,744,957.79 = 82,416,282.54/x
  3. Step 3: Cross multiply
    279,132,984.33x = 418,744,957.79 × 82,416,282.54
  4. Step 4: Simplify right side
    279,132,984.33x = 34,511,402,753,421,020
  5. Step 5: Solve for x
    x = 34,511,402,753,421,020/279,132,984.33
  6. Step 6: Final answer
    x = 123,637,852.53

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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.