Home / 76,966,033.44-115,454,439.28-30,907,899.68

Finding the Fourth Proportional to 76,966,033.44, 115,454,439.28 and 30,907,899.68

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Solution

The fourth proportional to 76,966,033.44, 115,454,439.28 and 30,907,899.68 is: 46,364,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,966,033.44 : 115,454,439.28 = 30,907,899.68 : x
  2. Step 2: Convert to fraction form
    76,966,033.44/115,454,439.28 = 30,907,899.68/x
  3. Step 3: Cross multiply
    76,966,033.44x = 115,454,439.28 × 30,907,899.68
  4. Step 4: Simplify right side
    76,966,033.44x = 3,568,454,226,876,891.50
  5. Step 5: Solve for x
    x = 3,568,454,226,876,891.50/76,966,033.44
  6. Step 6: Final answer
    x = 46,364,013.67

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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.