Home / 331,343,999.60-497,015,999.40-113,240,613.20

Finding the Fourth Proportional to 331,343,999.60, 497,015,999.40 and 113,240,613.20

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Solution

The fourth proportional to 331,343,999.60, 497,015,999.40 and 113,240,613.20 is: 169,860,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,343,999.60 : 497,015,999.40 = 113,240,613.20 : x
  2. Step 2: Convert to fraction form
    331,343,999.60/497,015,999.40 = 113,240,613.20/x
  3. Step 3: Cross multiply
    331,343,999.60x = 497,015,999.40 × 113,240,613.20
  4. Step 4: Simplify right side
    331,343,999.60x = 56,282,396,542,266,832
  5. Step 5: Solve for x
    x = 56,282,396,542,266,832/331,343,999.60
  6. Step 6: Final answer
    x = 169,860,919.80

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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.