Home / 49,211,785.80-73,817,289.90-12,820,105.80

Finding the Fourth Proportional to 49,211,785.80, 73,817,289.90 and 12,820,105.80

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Solution

The fourth proportional to 49,211,785.80, 73,817,289.90 and 12,820,105.80 is: 19,230,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,211,785.80 : 73,817,289.90 = 12,820,105.80 : x
  2. Step 2: Convert to fraction form
    49,211,785.80/73,817,289.90 = 12,820,105.80/x
  3. Step 3: Cross multiply
    49,211,785.80x = 73,817,289.90 × 12,820,105.80
  4. Step 4: Simplify right side
    49,211,785.80x = 946,345,466,387,271.50
  5. Step 5: Solve for x
    x = 946,345,466,387,271.50/49,211,785.80
  6. Step 6: Final answer
    x = 19,230,057.41

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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.