Home / 49,610,960.76-68,447,738.70-28,969,516.92

Finding the Fourth Proportional to 49,610,960.76, 68,447,738.70 and 28,969,516.92

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Solution

The fourth proportional to 49,610,960.76, 68,447,738.70 and 28,969,516.92 is: 39,968,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,610,960.76 : 68,447,738.70 = 28,969,516.92 : x
  2. Step 2: Convert to fraction form
    49,610,960.76/68,447,738.70 = 28,969,516.92/x
  3. Step 3: Cross multiply
    49,610,960.76x = 68,447,738.70 × 28,969,516.92
  4. Step 4: Simplify right side
    49,610,960.76x = 1,982,897,924,405,389
  5. Step 5: Solve for x
    x = 1,982,897,924,405,389/49,610,960.76
  6. Step 6: Final answer
    x = 39,968,948.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.