Home / 53,412,821.65-80,108,021.04-15,065,367.72

Finding the Fourth Proportional to 53,412,821.65, 80,108,021.04 and 15,065,367.72

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Solution

The fourth proportional to 53,412,821.65, 80,108,021.04 and 15,065,367.72 is: 22,594,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412,821.65 : 80,108,021.04 = 15,065,367.72 : x
  2. Step 2: Convert to fraction form
    53,412,821.65/80,108,021.04 = 15,065,367.72/x
  3. Step 3: Cross multiply
    53,412,821.65x = 80,108,021.04 × 15,065,367.72
  4. Step 4: Simplify right side
    53,412,821.65x = 1,206,856,794,289,097
  5. Step 5: Solve for x
    x = 1,206,856,794,289,097/53,412,821.65
  6. Step 6: Final answer
    x = 22,594,889.34

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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.