Home / 214,522,052.70-321,783,079.05-70,914,884.70

Finding the Fourth Proportional to 214,522,052.70, 321,783,079.05 and 70,914,884.70

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Solution

The fourth proportional to 214,522,052.70, 321,783,079.05 and 70,914,884.70 is: 106,372,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,522,052.70 : 321,783,079.05 = 70,914,884.70 : x
  2. Step 2: Convert to fraction form
    214,522,052.70/321,783,079.05 = 70,914,884.70/x
  3. Step 3: Cross multiply
    214,522,052.70x = 321,783,079.05 × 70,914,884.70
  4. Step 4: Simplify right side
    214,522,052.70x = 22,819,209,949,241,736
  5. Step 5: Solve for x
    x = 22,819,209,949,241,736/214,522,052.70
  6. Step 6: Final answer
    x = 106,372,327.05

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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.