Home / 112,371,204.80-168,568,033.80-30,491,382.80

Finding the Fourth Proportional to 112,371,204.80, 168,568,033.80 and 30,491,382.80

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Solution

The fourth proportional to 112,371,204.80, 168,568,033.80 and 30,491,382.80 is: 45,740,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,204.80 : 168,568,033.80 = 30,491,382.80 : x
  2. Step 2: Convert to fraction form
    112,371,204.80/168,568,033.80 = 30,491,382.80/x
  3. Step 3: Cross multiply
    112,371,204.80x = 168,568,033.80 × 30,491,382.80
  4. Step 4: Simplify right side
    112,371,204.80x = 5,139,872,446,439,139
  5. Step 5: Solve for x
    x = 5,139,872,446,439,139/112,371,204.80
  6. Step 6: Final answer
    x = 45,740,120.48

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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.