Home / 214,532,023.40-321,965,996.70-99,530,815.40

Finding the Fourth Proportional to 214,532,023.40, 321,965,996.70 and 99,530,815.40

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Solution

The fourth proportional to 214,532,023.40, 321,965,996.70 and 99,530,815.40 is: 149,374,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,532,023.40 : 321,965,996.70 = 99,530,815.40 : x
  2. Step 2: Convert to fraction form
    214,532,023.40/321,965,996.70 = 99,530,815.40/x
  3. Step 3: Cross multiply
    214,532,023.40x = 321,965,996.70 × 99,530,815.40
  4. Step 4: Simplify right side
    214,532,023.40x = 32,045,538,182,624,708
  5. Step 5: Solve for x
    x = 32,045,538,182,624,708/214,532,023.40
  6. Step 6: Final answer
    x = 149,374,147.85

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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.