Home / 80,178,550.89-110,646,400.23-43,509,121.89

Finding the Fourth Proportional to 80,178,550.89, 110,646,400.23 and 43,509,121.89

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Solution

The fourth proportional to 80,178,550.89, 110,646,400.23 and 43,509,121.89 is: 60,042,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,178,550.89 : 110,646,400.23 = 43,509,121.89 : x
  2. Step 2: Convert to fraction form
    80,178,550.89/110,646,400.23 = 43,509,121.89/x
  3. Step 3: Cross multiply
    80,178,550.89x = 110,646,400.23 × 43,509,121.89
  4. Step 4: Simplify right side
    80,178,550.89x = 4,814,127,714,296,794
  5. Step 5: Solve for x
    x = 4,814,127,714,296,794/80,178,550.89
  6. Step 6: Final answer
    x = 60,042,588.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.