Home / 80,178,550.63-110,646,399.88-43,509,121.63

Finding the Fourth Proportional to 80,178,550.63, 110,646,399.88 and 43,509,121.63

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Solution

The fourth proportional to 80,178,550.63, 110,646,399.88 and 43,509,121.63 is: 60,042,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,178,550.63 : 110,646,399.88 = 43,509,121.63 : x
  2. Step 2: Convert to fraction form
    80,178,550.63/110,646,399.88 = 43,509,121.63/x
  3. Step 3: Cross multiply
    80,178,550.63x = 110,646,399.88 × 43,509,121.63
  4. Step 4: Simplify right side
    80,178,550.63x = 4,814,127,670,300,537
  5. Step 5: Solve for x
    x = 4,814,127,670,300,537/80,178,550.63
  6. Step 6: Final answer
    x = 60,042,587.86

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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.