Home / 324,097,872.96-486,148,056.03-78,454,105.86

Finding the Fourth Proportional to 324,097,872.96, 486,148,056.03 and 78,454,105.86

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Solution

The fourth proportional to 324,097,872.96, 486,148,056.03 and 78,454,105.86 is: 117,681,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,097,872.96 : 486,148,056.03 = 78,454,105.86 : x
  2. Step 2: Convert to fraction form
    324,097,872.96/486,148,056.03 = 78,454,105.86/x
  3. Step 3: Cross multiply
    324,097,872.96x = 486,148,056.03 × 78,454,105.86
  4. Step 4: Simplify right side
    324,097,872.96x = 38,140,311,051,410,832
  5. Step 5: Solve for x
    x = 38,140,311,051,410,832/324,097,872.96
  6. Step 6: Final answer
    x = 117,681,460.55

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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.