Home / 261,934,412.90-361,378,202.87-167,900,408.90

Finding the Fourth Proportional to 261,934,412.90, 361,378,202.87 and 167,900,408.90

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Solution

The fourth proportional to 261,934,412.90, 361,378,202.87 and 167,900,408.90 is: 231,644,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,934,412.90 : 361,378,202.87 = 167,900,408.90 : x
  2. Step 2: Convert to fraction form
    261,934,412.90/361,378,202.87 = 167,900,408.90/x
  3. Step 3: Cross multiply
    261,934,412.90x = 361,378,202.87 × 167,900,408.90
  4. Step 4: Simplify right side
    261,934,412.90x = 60,675,548,026,773,768
  5. Step 5: Solve for x
    x = 60,675,548,026,773,768/261,934,412.90
  6. Step 6: Final answer
    x = 231,644,049.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.