Home / 54,839,963.12-75,635,021.30-48,210,376.64

Finding the Fourth Proportional to 54,839,963.12, 75,635,021.30 and 48,210,376.64

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Solution

The fourth proportional to 54,839,963.12, 75,635,021.30 and 48,210,376.64 is: 66,491,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,839,963.12 : 75,635,021.30 = 48,210,376.64 : x
  2. Step 2: Convert to fraction form
    54,839,963.12/75,635,021.30 = 48,210,376.64/x
  3. Step 3: Cross multiply
    54,839,963.12x = 75,635,021.30 × 48,210,376.64
  4. Step 4: Simplify right side
    54,839,963.12x = 3,646,392,863,428,195.50
  5. Step 5: Solve for x
    x = 3,646,392,863,428,195.50/54,839,963.12
  6. Step 6: Final answer
    x = 66,491,526.55

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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.