Home / 279,859,200.33-386,217,377.19-154,419,533.58

Finding the Fourth Proportional to 279,859,200.33, 386,217,377.19 and 154,419,533.58

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Solution

The fourth proportional to 279,859,200.33, 386,217,377.19 and 154,419,533.58 is: 213,105,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,859,200.33 : 386,217,377.19 = 154,419,533.58 : x
  2. Step 2: Convert to fraction form
    279,859,200.33/386,217,377.19 = 154,419,533.58/x
  3. Step 3: Cross multiply
    279,859,200.33x = 386,217,377.19 × 154,419,533.58
  4. Step 4: Simplify right side
    279,859,200.33x = 59,639,507,246,170,736
  5. Step 5: Solve for x
    x = 59,639,507,246,170,736/279,859,200.33
  6. Step 6: Final answer
    x = 213,105,401.49

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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.