Home / 49,211,746.80-73,817,620.20-20,513,932.80

Finding the Fourth Proportional to 49,211,746.80, 73,817,620.20 and 20,513,932.80

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Solution

The fourth proportional to 49,211,746.80, 73,817,620.20 and 20,513,932.80 is: 30,770,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,211,746.80 : 73,817,620.20 = 20,513,932.80 : x
  2. Step 2: Convert to fraction form
    49,211,746.80/73,817,620.20 = 20,513,932.80/x
  3. Step 3: Cross multiply
    49,211,746.80x = 73,817,620.20 × 20,513,932.80
  4. Step 4: Simplify right side
    49,211,746.80x = 1,514,289,700,238,722.75
  5. Step 5: Solve for x
    x = 1,514,289,700,238,722.75/49,211,746.80
  6. Step 6: Final answer
    x = 30,770,899.20

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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.