Home / 258,115,222,656.20-356,200,114,658.97-140,795,423,297.83

Finding the Fourth Proportional to 258,115,222,656.20, 356,200,114,658.97 and 140,795,423,297.83

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Solution

The fourth proportional to 258,115,222,656.20, 356,200,114,658.97 and 140,795,423,297.83 is: 194,298,288,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,115,222,656.20 : 356,200,114,658.97 = 140,795,423,297.83 : x
  2. Step 2: Convert to fraction form
    258,115,222,656.20/356,200,114,658.97 = 140,795,423,297.83/x
  3. Step 3: Cross multiply
    258,115,222,656.20x = 356,200,114,658.97 × 140,795,423,297.83
  4. Step 4: Simplify right side
    258,115,222,656.20x = 50,151,345,922,145,253,326,848
  5. Step 5: Solve for x
    x = 50,151,345,922,145,253,326,848/258,115,222,656.20
  6. Step 6: Final answer
    x = 194,298,288,206.52

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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.