Home / 214,416,785.72-321,627,100.98-61,062,764.60

Finding the Fourth Proportional to 214,416,785.72, 321,627,100.98 and 61,062,764.60

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Solution

The fourth proportional to 214,416,785.72, 321,627,100.98 and 61,062,764.60 is: 91,594,694.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,416,785.72 : 321,627,100.98 = 61,062,764.60 : x
  2. Step 2: Convert to fraction form
    214,416,785.72/321,627,100.98 = 61,062,764.60/x
  3. Step 3: Cross multiply
    214,416,785.72x = 321,627,100.98 × 61,062,764.60
  4. Step 4: Simplify right side
    214,416,785.72x = 19,639,439,956,122,172
  5. Step 5: Solve for x
    x = 19,639,439,956,122,172/214,416,785.72
  6. Step 6: Final answer
    x = 91,594,694.37

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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.