Home / 306,465,993.81-422,932,003.02-167,245,723.04

Finding the Fourth Proportional to 306,465,993.81, 422,932,003.02 and 167,245,723.04

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Solution

The fourth proportional to 306,465,993.81, 422,932,003.02 and 167,245,723.04 is: 230,803,971.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,465,993.81 : 422,932,003.02 = 167,245,723.04 : x
  2. Step 2: Convert to fraction form
    306,465,993.81/422,932,003.02 = 167,245,723.04/x
  3. Step 3: Cross multiply
    306,465,993.81x = 422,932,003.02 × 167,245,723.04
  4. Step 4: Simplify right side
    306,465,993.81x = 70,733,568,639,720,696
  5. Step 5: Solve for x
    x = 70,733,568,639,720,696/306,465,993.81
  6. Step 6: Final answer
    x = 230,803,971.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.