Home / 69,131,423.40-103,683,059.42-25,397,150.60

Finding the Fourth Proportional to 69,131,423.40, 103,683,059.42 and 25,397,150.60

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Solution

The fourth proportional to 69,131,423.40, 103,683,059.42 and 25,397,150.60 is: 38,090,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,131,423.40 : 103,683,059.42 = 25,397,150.60 : x
  2. Step 2: Convert to fraction form
    69,131,423.40/103,683,059.42 = 25,397,150.60/x
  3. Step 3: Cross multiply
    69,131,423.40x = 103,683,059.42 × 25,397,150.60
  4. Step 4: Simplify right side
    69,131,423.40x = 2,633,254,274,758,489
  5. Step 5: Solve for x
    x = 2,633,254,274,758,489/69,131,423.40
  6. Step 6: Final answer
    x = 38,090,554.85

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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.