Home / 279,777,050.30-386,092,701.34-154,326,416.37

Finding the Fourth Proportional to 279,777,050.30, 386,092,701.34 and 154,326,416.37

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Solution

The fourth proportional to 279,777,050.30, 386,092,701.34 and 154,326,416.37 is: 212,970,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,777,050.30 : 386,092,701.34 = 154,326,416.37 : x
  2. Step 2: Convert to fraction form
    279,777,050.30/386,092,701.34 = 154,326,416.37/x
  3. Step 3: Cross multiply
    279,777,050.30x = 386,092,701.34 × 154,326,416.37
  4. Step 4: Simplify right side
    279,777,050.30x = 59,584,302,984,029,080
  5. Step 5: Solve for x
    x = 59,584,302,984,029,080/279,777,050.30
  6. Step 6: Final answer
    x = 212,970,659.75

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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.