Home / 378,814,452.34-568,247,339.31-133,141,219.06

Finding the Fourth Proportional to 378,814,452.34, 568,247,339.31 and 133,141,219.06

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Solution

The fourth proportional to 378,814,452.34, 568,247,339.31 and 133,141,219.06 is: 199,720,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,814,452.34 : 568,247,339.31 = 133,141,219.06 : x
  2. Step 2: Convert to fraction form
    378,814,452.34/568,247,339.31 = 133,141,219.06/x
  3. Step 3: Cross multiply
    378,814,452.34x = 568,247,339.31 × 133,141,219.06
  4. Step 4: Simplify right side
    378,814,452.34x = 75,657,143,483,334,848
  5. Step 5: Solve for x
    x = 75,657,143,483,334,848/378,814,452.34
  6. Step 6: Final answer
    x = 199,720,847.54

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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.