Home / 285,003,466.80-427,505,200.20-131,948,458.80

Finding the Fourth Proportional to 285,003,466.80, 427,505,200.20 and 131,948,458.80

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Solution

The fourth proportional to 285,003,466.80, 427,505,200.20 and 131,948,458.80 is: 197,922,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,003,466.80 : 427,505,200.20 = 131,948,458.80 : x
  2. Step 2: Convert to fraction form
    285,003,466.80/427,505,200.20 = 131,948,458.80/x
  3. Step 3: Cross multiply
    285,003,466.80x = 427,505,200.20 × 131,948,458.80
  4. Step 4: Simplify right side
    285,003,466.80x = 56,408,652,295,375,448
  5. Step 5: Solve for x
    x = 56,408,652,295,375,448/285,003,466.80
  6. Step 6: Final answer
    x = 197,922,688.20

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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.