Home / 279,646,922.40-419,659,340.40-156,825,002.40

Finding the Fourth Proportional to 279,646,922.40, 419,659,340.40 and 156,825,002.40

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Solution

The fourth proportional to 279,646,922.40, 419,659,340.40 and 156,825,002.40 is: 235,343,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,646,922.40 : 419,659,340.40 = 156,825,002.40 : x
  2. Step 2: Convert to fraction form
    279,646,922.40/419,659,340.40 = 156,825,002.40/x
  3. Step 3: Cross multiply
    279,646,922.40x = 419,659,340.40 × 156,825,002.40
  4. Step 4: Simplify right side
    279,646,922.40x = 65,813,077,065,412,416
  5. Step 5: Solve for x
    x = 65,813,077,065,412,416/279,646,922.40
  6. Step 6: Final answer
    x = 235,343,469.90

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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.