Home / 279,777,050.92-386,092,702.20-154,326,417

Finding the Fourth Proportional to 279,777,050.92, 386,092,702.20 and 154,326,417

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Solution

The fourth proportional to 279,777,050.92, 386,092,702.20 and 154,326,417 is: 212,970,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,777,050.92 : 386,092,702.20 = 154,326,417 : x
  2. Step 2: Convert to fraction form
    279,777,050.92/386,092,702.20 = 154,326,417/x
  3. Step 3: Cross multiply
    279,777,050.92x = 386,092,702.20 × 154,326,417
  4. Step 4: Simplify right side
    279,777,050.92x = 59,584,303,360,374,016
  5. Step 5: Solve for x
    x = 59,584,303,360,374,016/279,777,050.92
  6. Step 6: Final answer
    x = 212,970,660.62

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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.