Home / 214,522,029.20-321,783,043.80-70,914,861.20

Finding the Fourth Proportional to 214,522,029.20, 321,783,043.80 and 70,914,861.20

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Solution

The fourth proportional to 214,522,029.20, 321,783,043.80 and 70,914,861.20 is: 106,372,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,522,029.20 : 321,783,043.80 = 70,914,861.20 : x
  2. Step 2: Convert to fraction form
    214,522,029.20/321,783,043.80 = 70,914,861.20/x
  3. Step 3: Cross multiply
    214,522,029.20x = 321,783,043.80 × 70,914,861.20
  4. Step 4: Simplify right side
    214,522,029.20x = 22,819,199,887,590,524
  5. Step 5: Solve for x
    x = 22,819,199,887,590,524/214,522,029.20
  6. Step 6: Final answer
    x = 106,372,291.80

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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.