Home / 71,707,793.40-107,433,386.10-43,613,105.40

Finding the Fourth Proportional to 71,707,793.40, 107,433,386.10 and 43,613,105.40

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Solution

The fourth proportional to 71,707,793.40, 107,433,386.10 and 43,613,105.40 is: 65,341,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,707,793.40 : 107,433,386.10 = 43,613,105.40 : x
  2. Step 2: Convert to fraction form
    71,707,793.40/107,433,386.10 = 43,613,105.40/x
  3. Step 3: Cross multiply
    71,707,793.40x = 107,433,386.10 × 43,613,105.40
  4. Step 4: Simplify right side
    71,707,793.40x = 4,685,503,591,458,195
  5. Step 5: Solve for x
    x = 4,685,503,591,458,195/71,707,793.40
  6. Step 6: Final answer
    x = 65,341,622.85

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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.