Home / 216,162,873-324,195,685.26-99,466,290.28

Finding the Fourth Proportional to 216,162,873, 324,195,685.26 and 99,466,290.28

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Solution

The fourth proportional to 216,162,873, 324,195,685.26 and 99,466,290.28 is: 149,177,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,162,873 : 324,195,685.26 = 99,466,290.28 : x
  2. Step 2: Convert to fraction form
    216,162,873/324,195,685.26 = 99,466,290.28/x
  3. Step 3: Cross multiply
    216,162,873x = 324,195,685.26 × 99,466,290.28
  4. Step 4: Simplify right side
    216,162,873x = 32,246,542,137,594,676
  5. Step 5: Solve for x
    x = 32,246,542,137,594,676/216,162,873
  6. Step 6: Final answer
    x = 149,177,061.21

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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.