Home / 354,297,761.60-531,446,642.40-162,821,537.60

Finding the Fourth Proportional to 354,297,761.60, 531,446,642.40 and 162,821,537.60

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Solution

The fourth proportional to 354,297,761.60, 531,446,642.40 and 162,821,537.60 is: 244,232,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,297,761.60 : 531,446,642.40 = 162,821,537.60 : x
  2. Step 2: Convert to fraction form
    354,297,761.60/531,446,642.40 = 162,821,537.60/x
  3. Step 3: Cross multiply
    354,297,761.60x = 531,446,642.40 × 162,821,537.60
  4. Step 4: Simplify right side
    354,297,761.60x = 86,530,959,467,925,344
  5. Step 5: Solve for x
    x = 86,530,959,467,925,344/354,297,761.60
  6. Step 6: Final answer
    x = 244,232,306.40

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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.