Home / 320,482,002.80-480,723,004.20-115,936,266.80

Finding the Fourth Proportional to 320,482,002.80, 480,723,004.20 and 115,936,266.80

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Solution

The fourth proportional to 320,482,002.80, 480,723,004.20 and 115,936,266.80 is: 173,904,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,482,002.80 : 480,723,004.20 = 115,936,266.80 : x
  2. Step 2: Convert to fraction form
    320,482,002.80/480,723,004.20 = 115,936,266.80/x
  3. Step 3: Cross multiply
    320,482,002.80x = 480,723,004.20 × 115,936,266.80
  4. Step 4: Simplify right side
    320,482,002.80x = 55,733,230,471,828,720
  5. Step 5: Solve for x
    x = 55,733,230,471,828,720/320,482,002.80
  6. Step 6: Final answer
    x = 173,904,400.20

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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.