Home / 193,743,246.21-290,450,270.22-90,172,596.02

Finding the Fourth Proportional to 193,743,246.21, 290,450,270.22 and 90,172,596.02

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Solution

The fourth proportional to 193,743,246.21, 290,450,270.22 and 90,172,596.02 is: 135,182,285.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,743,246.21 : 290,450,270.22 = 90,172,596.02 : x
  2. Step 2: Convert to fraction form
    193,743,246.21/290,450,270.22 = 90,172,596.02/x
  3. Step 3: Cross multiply
    193,743,246.21x = 290,450,270.22 × 90,172,596.02
  4. Step 4: Simplify right side
    193,743,246.21x = 26,190,654,878,995,648
  5. Step 5: Solve for x
    x = 26,190,654,878,995,648/193,743,246.21
  6. Step 6: Final answer
    x = 135,182,285.79

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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.