Home / 214,272,005.80-321,408,008.70-112,067,372.20

Finding the Fourth Proportional to 214,272,005.80, 321,408,008.70 and 112,067,372.20

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Solution

The fourth proportional to 214,272,005.80, 321,408,008.70 and 112,067,372.20 is: 168,101,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,272,005.80 : 321,408,008.70 = 112,067,372.20 : x
  2. Step 2: Convert to fraction form
    214,272,005.80/321,408,008.70 = 112,067,372.20/x
  3. Step 3: Cross multiply
    214,272,005.80x = 321,408,008.70 × 112,067,372.20
  4. Step 4: Simplify right side
    214,272,005.80x = 36,019,350,939,043,736
  5. Step 5: Solve for x
    x = 36,019,350,939,043,736/214,272,005.80
  6. Step 6: Final answer
    x = 168,101,058.30

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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.