Home / 216,418,792.20-324,632,914.37-130,229,297.16

Finding the Fourth Proportional to 216,418,792.20, 324,632,914.37 and 130,229,297.16

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Solution

The fourth proportional to 216,418,792.20, 324,632,914.37 and 130,229,297.16 is: 195,346,789.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,418,792.20 : 324,632,914.37 = 130,229,297.16 : x
  2. Step 2: Convert to fraction form
    216,418,792.20/324,632,914.37 = 130,229,297.16/x
  3. Step 3: Cross multiply
    216,418,792.20x = 324,632,914.37 × 130,229,297.16
  4. Step 4: Simplify right side
    216,418,792.20x = 42,276,716,273,407,560
  5. Step 5: Solve for x
    x = 42,276,716,273,407,560/216,418,792.20
  6. Step 6: Final answer
    x = 195,346,789.64

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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.