Home / 111,992,721.85-154,542,064.25-62,430,903.25

Finding the Fourth Proportional to 111,992,721.85, 154,542,064.25 and 62,430,903.25

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Solution

The fourth proportional to 111,992,721.85, 154,542,064.25 and 62,430,903.25 is: 86,150,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,992,721.85 : 154,542,064.25 = 62,430,903.25 : x
  2. Step 2: Convert to fraction form
    111,992,721.85/154,542,064.25 = 62,430,903.25/x
  3. Step 3: Cross multiply
    111,992,721.85x = 154,542,064.25 × 62,430,903.25
  4. Step 4: Simplify right side
    111,992,721.85x = 9,648,200,661,016,756
  5. Step 5: Solve for x
    x = 9,648,200,661,016,756/111,992,721.85
  6. Step 6: Final answer
    x = 86,150,247.10

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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.