Home / 193,743,254.21-290,450,282.22-90,172,604.03

Finding the Fourth Proportional to 193,743,254.21, 290,450,282.22 and 90,172,604.03

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Solution

The fourth proportional to 193,743,254.21, 290,450,282.22 and 90,172,604.03 is: 135,182,297.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,743,254.21 : 290,450,282.22 = 90,172,604.03 : x
  2. Step 2: Convert to fraction form
    193,743,254.21/290,450,282.22 = 90,172,604.03/x
  3. Step 3: Cross multiply
    193,743,254.21x = 290,450,282.22 × 90,172,604.03
  4. Step 4: Simplify right side
    193,743,254.21x = 26,190,658,289,025,812
  5. Step 5: Solve for x
    x = 26,190,658,289,025,812/193,743,254.21
  6. Step 6: Final answer
    x = 135,182,297.81

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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.