Home / 106,861,815.54-147,469,589.01-57,969,243.54

Finding the Fourth Proportional to 106,861,815.54, 147,469,589.01 and 57,969,243.54

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Solution

The fourth proportional to 106,861,815.54, 147,469,589.01 and 57,969,243.54 is: 79,997,709.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,861,815.54 : 147,469,589.01 = 57,969,243.54 : x
  2. Step 2: Convert to fraction form
    106,861,815.54/147,469,589.01 = 57,969,243.54/x
  3. Step 3: Cross multiply
    106,861,815.54x = 147,469,589.01 × 57,969,243.54
  4. Step 4: Simplify right side
    106,861,815.54x = 8,548,700,520,064,397
  5. Step 5: Solve for x
    x = 8,548,700,520,064,397/106,861,815.54
  6. Step 6: Final answer
    x = 79,997,709.91

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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.