Home / 268,524,043.20-402,408,151.20-198,893,462.40

Finding the Fourth Proportional to 268,524,043.20, 402,408,151.20 and 198,893,462.40

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Solution

The fourth proportional to 268,524,043.20, 402,408,151.20 and 198,893,462.40 is: 298,060,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,524,043.20 : 402,408,151.20 = 198,893,462.40 : x
  2. Step 2: Convert to fraction form
    268,524,043.20/402,408,151.20 = 198,893,462.40/x
  3. Step 3: Cross multiply
    268,524,043.20x = 402,408,151.20 × 198,893,462.40
  4. Step 4: Simplify right side
    268,524,043.20x = 80,036,350,490,150,720
  5. Step 5: Solve for x
    x = 80,036,350,490,150,720/268,524,043.20
  6. Step 6: Final answer
    x = 298,060,276.23

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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.