Home / 49,211,636.80-73,817,455.20-20,513,822.80

Finding the Fourth Proportional to 49,211,636.80, 73,817,455.20 and 20,513,822.80

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Solution

The fourth proportional to 49,211,636.80, 73,817,455.20 and 20,513,822.80 is: 30,770,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,211,636.80 : 73,817,455.20 = 20,513,822.80 : x
  2. Step 2: Convert to fraction form
    49,211,636.80/73,817,455.20 = 20,513,822.80/x
  3. Step 3: Cross multiply
    49,211,636.80x = 73,817,455.20 × 20,513,822.80
  4. Step 4: Simplify right side
    49,211,636.80x = 1,514,278,195,519,738.75
  5. Step 5: Solve for x
    x = 1,514,278,195,519,738.75/49,211,636.80
  6. Step 6: Final answer
    x = 30,770,734.20

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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.