Home / 70,723,524.80-106,085,287.20-25,286,801.60

Finding the Fourth Proportional to 70,723,524.80, 106,085,287.20 and 25,286,801.60

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Solution

The fourth proportional to 70,723,524.80, 106,085,287.20 and 25,286,801.60 is: 37,930,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,723,524.80 : 106,085,287.20 = 25,286,801.60 : x
  2. Step 2: Convert to fraction form
    70,723,524.80/106,085,287.20 = 25,286,801.60/x
  3. Step 3: Cross multiply
    70,723,524.80x = 106,085,287.20 × 25,286,801.60
  4. Step 4: Simplify right side
    70,723,524.80x = 2,682,557,610,105,420
  5. Step 5: Solve for x
    x = 2,682,557,610,105,420/70,723,524.80
  6. Step 6: Final answer
    x = 37,930,202.40

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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.