Home / 57,930,400.80-86,945,367.60-25,632,007.20

Finding the Fourth Proportional to 57,930,400.80, 86,945,367.60 and 25,632,007.20

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Solution

The fourth proportional to 57,930,400.80, 86,945,367.60 and 25,632,007.20 is: 38,470,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,930,400.80 : 86,945,367.60 = 25,632,007.20 : x
  2. Step 2: Convert to fraction form
    57,930,400.80/86,945,367.60 = 25,632,007.20/x
  3. Step 3: Cross multiply
    57,930,400.80x = 86,945,367.60 × 25,632,007.20
  4. Step 4: Simplify right side
    57,930,400.80x = 2,228,584,288,329,846.50
  5. Step 5: Solve for x
    x = 2,228,584,288,329,846.50/57,930,400.80
  6. Step 6: Final answer
    x = 38,470,030.55

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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.