Home / 128,736,469.48-193,086,522.98-41,286,622.92

Finding the Fourth Proportional to 128,736,469.48, 193,086,522.98 and 41,286,622.92

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Solution

The fourth proportional to 128,736,469.48, 193,086,522.98 and 41,286,622.92 is: 61,924,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,736,469.48 : 193,086,522.98 = 41,286,622.92 : x
  2. Step 2: Convert to fraction form
    128,736,469.48/193,086,522.98 = 41,286,622.92/x
  3. Step 3: Cross multiply
    128,736,469.48x = 193,086,522.98 × 41,286,622.92
  4. Step 4: Simplify right side
    128,736,469.48x = 7,971,890,465,002,742
  5. Step 5: Solve for x
    x = 7,971,890,465,002,742/128,736,469.48
  6. Step 6: Final answer
    x = 61,924,103.54

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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.