Home / 221,286,734.55-331,930,101.83-106,495,478.55

Finding the Fourth Proportional to 221,286,734.55, 331,930,101.83 and 106,495,478.55

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Solution

The fourth proportional to 221,286,734.55, 331,930,101.83 and 106,495,478.55 is: 159,743,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,286,734.55 : 331,930,101.83 = 106,495,478.55 : x
  2. Step 2: Convert to fraction form
    221,286,734.55/331,930,101.83 = 106,495,478.55/x
  3. Step 3: Cross multiply
    221,286,734.55x = 331,930,101.83 × 106,495,478.55
  4. Step 4: Simplify right side
    221,286,734.55x = 35,349,055,039,003,600
  5. Step 5: Solve for x
    x = 35,349,055,039,003,600/221,286,734.55
  6. Step 6: Final answer
    x = 159,743,217.83

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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.