Home / 112,371,209.30-168,568,040.55-30,491,387.30

Finding the Fourth Proportional to 112,371,209.30, 168,568,040.55 and 30,491,387.30

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Solution

The fourth proportional to 112,371,209.30, 168,568,040.55 and 30,491,387.30 is: 45,740,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,209.30 : 168,568,040.55 = 30,491,387.30 : x
  2. Step 2: Convert to fraction form
    112,371,209.30/168,568,040.55 = 30,491,387.30/x
  3. Step 3: Cross multiply
    112,371,209.30x = 168,568,040.55 × 30,491,387.30
  4. Step 4: Simplify right side
    112,371,209.30x = 5,139,873,410,812,156
  5. Step 5: Solve for x
    x = 5,139,873,410,812,156/112,371,209.30
  6. Step 6: Final answer
    x = 45,740,127.23

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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.