Home / 223,787,515.22-306,589,989.55-215,400,020.50

Finding the Fourth Proportional to 223,787,515.22, 306,589,989.55 and 215,400,020.50

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Solution

The fourth proportional to 223,787,515.22, 306,589,989.55 and 215,400,020.50 is: 295,099,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,787,515.22 : 306,589,989.55 = 215,400,020.50 : x
  2. Step 2: Convert to fraction form
    223,787,515.22/306,589,989.55 = 215,400,020.50/x
  3. Step 3: Cross multiply
    223,787,515.22x = 306,589,989.55 × 215,400,020.50
  4. Step 4: Simplify right side
    223,787,515.22x = 66,039,490,034,164,792
  5. Step 5: Solve for x
    x = 66,039,490,034,164,792/223,787,515.22
  6. Step 6: Final answer
    x = 295,099,080.79

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.