Home / 123,085,855.80-184,404,834.90-100,243,078.20

Finding the Fourth Proportional to 123,085,855.80, 184,404,834.90 and 100,243,078.20

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Solution

The fourth proportional to 123,085,855.80, 184,404,834.90 and 100,243,078.20 is: 150,182,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,085,855.80 : 184,404,834.90 = 100,243,078.20 : x
  2. Step 2: Convert to fraction form
    123,085,855.80/184,404,834.90 = 100,243,078.20/x
  3. Step 3: Cross multiply
    123,085,855.80x = 184,404,834.90 × 100,243,078.20
  4. Step 4: Simplify right side
    123,085,855.80x = 18,485,308,285,338,792
  5. Step 5: Solve for x
    x = 18,485,308,285,338,792/123,085,855.80
  6. Step 6: Final answer
    x = 150,182,229.84

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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.