Home / 69,584,841.71-96,021,481.49-40,218,076.35

Finding the Fourth Proportional to 69,584,841.71, 96,021,481.49 and 40,218,076.35

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Solution

The fourth proportional to 69,584,841.71, 96,021,481.49 and 40,218,076.35 is: 55,497,708.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,584,841.71 : 96,021,481.49 = 40,218,076.35 : x
  2. Step 2: Convert to fraction form
    69,584,841.71/96,021,481.49 = 40,218,076.35/x
  3. Step 3: Cross multiply
    69,584,841.71x = 96,021,481.49 × 40,218,076.35
  4. Step 4: Simplify right side
    69,584,841.71x = 3,861,799,273,123,734
  5. Step 5: Solve for x
    x = 3,861,799,273,123,734/69,584,841.71
  6. Step 6: Final answer
    x = 55,497,708.67

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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.