Home / 214,078,296.72-321,090,052.88-68,499,679.44

Finding the Fourth Proportional to 214,078,296.72, 321,090,052.88 and 68,499,679.44

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Solution

The fourth proportional to 214,078,296.72, 321,090,052.88 and 68,499,679.44 is: 102,740,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,078,296.72 : 321,090,052.88 = 68,499,679.44 : x
  2. Step 2: Convert to fraction form
    214,078,296.72/321,090,052.88 = 68,499,679.44/x
  3. Step 3: Cross multiply
    214,078,296.72x = 321,090,052.88 × 68,499,679.44
  4. Step 4: Simplify right side
    214,078,296.72x = 21,994,565,693,652,648
  5. Step 5: Solve for x
    x = 21,994,565,693,652,648/214,078,296.72
  6. Step 6: Final answer
    x = 102,740,754.34

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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.