Home / 214,522,172.20-321,783,258.30-70,915,004.20

Finding the Fourth Proportional to 214,522,172.20, 321,783,258.30 and 70,915,004.20

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Solution

The fourth proportional to 214,522,172.20, 321,783,258.30 and 70,915,004.20 is: 106,372,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,522,172.20 : 321,783,258.30 = 70,915,004.20 : x
  2. Step 2: Convert to fraction form
    214,522,172.20/321,783,258.30 = 70,915,004.20/x
  3. Step 3: Cross multiply
    214,522,172.20x = 321,783,258.30 × 70,915,004.20
  4. Step 4: Simplify right side
    214,522,172.20x = 22,819,261,113,834,188
  5. Step 5: Solve for x
    x = 22,819,261,113,834,188/214,522,172.20
  6. Step 6: Final answer
    x = 106,372,506.30

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1.5x scale

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.