Home / 112,371,208.30-168,568,039.05-30,491,386.30

Finding the Fourth Proportional to 112,371,208.30, 168,568,039.05 and 30,491,386.30

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Solution

The fourth proportional to 112,371,208.30, 168,568,039.05 and 30,491,386.30 is: 45,740,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,208.30 : 168,568,039.05 = 30,491,386.30 : x
  2. Step 2: Convert to fraction form
    112,371,208.30/168,568,039.05 = 30,491,386.30/x
  3. Step 3: Cross multiply
    112,371,208.30x = 168,568,039.05 × 30,491,386.30
  4. Step 4: Simplify right side
    112,371,208.30x = 5,139,873,196,507,036
  5. Step 5: Solve for x
    x = 5,139,873,196,507,036/112,371,208.30
  6. Step 6: Final answer
    x = 45,740,125.73

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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.