Home / 81,181,297.43-121,771,943.79-37,449,116.98

Finding the Fourth Proportional to 81,181,297.43, 121,771,943.79 and 37,449,116.98

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Solution

The fourth proportional to 81,181,297.43, 121,771,943.79 and 37,449,116.98 is: 56,173,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,181,297.43 : 121,771,943.79 = 37,449,116.98 : x
  2. Step 2: Convert to fraction form
    81,181,297.43/121,771,943.79 = 37,449,116.98/x
  3. Step 3: Cross multiply
    81,181,297.43x = 121,771,943.79 × 37,449,116.98
  4. Step 4: Simplify right side
    81,181,297.43x = 4,560,251,767,873,694
  5. Step 5: Solve for x
    x = 4,560,251,767,873,694/81,181,297.43
  6. Step 6: Final answer
    x = 56,173,674.38

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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.