Home / 79,879,846.32-119,810,469.26-21,584,754.42

Finding the Fourth Proportional to 79,879,846.32, 119,810,469.26 and 21,584,754.42

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Solution

The fourth proportional to 79,879,846.32, 119,810,469.26 and 21,584,754.42 is: 32,374,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,879,846.32 : 119,810,469.26 = 21,584,754.42 : x
  2. Step 2: Convert to fraction form
    79,879,846.32/119,810,469.26 = 21,584,754.42/x
  3. Step 3: Cross multiply
    79,879,846.32x = 119,810,469.26 × 21,584,754.42
  4. Step 4: Simplify right side
    79,879,846.32x = 2,586,079,555,922,059.50
  5. Step 5: Solve for x
    x = 2,586,079,555,922,059.50/79,879,846.32
  6. Step 6: Final answer
    x = 32,374,618.57

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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.