Home / 81,448,276.80-122,172,415.20-43,184,524.80

Finding the Fourth Proportional to 81,448,276.80, 122,172,415.20 and 43,184,524.80

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Solution

The fourth proportional to 81,448,276.80, 122,172,415.20 and 43,184,524.80 is: 64,776,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,448,276.80 : 122,172,415.20 = 43,184,524.80 : x
  2. Step 2: Convert to fraction form
    81,448,276.80/122,172,415.20 = 43,184,524.80/x
  3. Step 3: Cross multiply
    81,448,276.80x = 122,172,415.20 × 43,184,524.80
  4. Step 4: Simplify right side
    81,448,276.80x = 5,275,957,694,080,297
  5. Step 5: Solve for x
    x = 5,275,957,694,080,297/81,448,276.80
  6. Step 6: Final answer
    x = 64,776,787.20

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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.