Home / 200,897,856.40-301,347,003.30-79,729,308.40

Finding the Fourth Proportional to 200,897,856.40, 301,347,003.30 and 79,729,308.40

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Solution

The fourth proportional to 200,897,856.40, 301,347,003.30 and 79,729,308.40 is: 119,594,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,897,856.40 : 301,347,003.30 = 79,729,308.40 : x
  2. Step 2: Convert to fraction form
    200,897,856.40/301,347,003.30 = 79,729,308.40/x
  3. Step 3: Cross multiply
    200,897,856.40x = 301,347,003.30 × 79,729,308.40
  4. Step 4: Simplify right side
    200,897,856.40x = 24,026,188,161,521,520
  5. Step 5: Solve for x
    x = 24,026,188,161,521,520/200,897,856.40
  6. Step 6: Final answer
    x = 119,594,049.39

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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.