Home / 279,777,049.92-386,092,700.82-154,326,416.00

Finding the Fourth Proportional to 279,777,049.92, 386,092,700.82 and 154,326,416.00

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Solution

The fourth proportional to 279,777,049.92, 386,092,700.82 and 154,326,416.00 is: 212,970,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,777,049.92 : 386,092,700.82 = 154,326,416.00 : x
  2. Step 2: Convert to fraction form
    279,777,049.92/386,092,700.82 = 154,326,416.00/x
  3. Step 3: Cross multiply
    279,777,049.92x = 386,092,700.82 × 154,326,416.00
  4. Step 4: Simplify right side
    279,777,049.92x = 59,584,302,759,380,400
  5. Step 5: Solve for x
    x = 59,584,302,759,380,400/279,777,049.92
  6. Step 6: Final answer
    x = 212,970,659.23

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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.