Home / 80,178,550.64-110,646,399.89-43,509,121.64

Finding the Fourth Proportional to 80,178,550.64, 110,646,399.89 and 43,509,121.64

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Solution

The fourth proportional to 80,178,550.64, 110,646,399.89 and 43,509,121.64 is: 60,042,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,178,550.64 : 110,646,399.89 = 43,509,121.64 : x
  2. Step 2: Convert to fraction form
    80,178,550.64/110,646,399.89 = 43,509,121.64/x
  3. Step 3: Cross multiply
    80,178,550.64x = 110,646,399.89 × 43,509,121.64
  4. Step 4: Simplify right side
    80,178,550.64x = 4,814,127,671,071,315
  5. Step 5: Solve for x
    x = 4,814,127,671,071,315/80,178,550.64
  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.