Home / 111,992,728.50-154,542,073.42-62,430,909.90

Finding the Fourth Proportional to 111,992,728.50, 154,542,073.42 and 62,430,909.90

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Solution

The fourth proportional to 111,992,728.50, 154,542,073.42 and 62,430,909.90 is: 86,150,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,992,728.50 : 154,542,073.42 = 62,430,909.90 : x
  2. Step 2: Convert to fraction form
    111,992,728.50/154,542,073.42 = 62,430,909.90/x
  3. Step 3: Cross multiply
    111,992,728.50x = 154,542,073.42 × 62,430,909.90
  4. Step 4: Simplify right side
    111,992,728.50x = 9,648,202,261,443,204
  5. Step 5: Solve for x
    x = 9,648,202,261,443,204/111,992,728.50
  6. Step 6: Final answer
    x = 86,150,256.28

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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.