Home / 54,229,412.16-81,344,052.96-13,839,900.48

Finding the Fourth Proportional to 54,229,412.16, 81,344,052.96 and 13,839,900.48

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Solution

The fourth proportional to 54,229,412.16, 81,344,052.96 and 13,839,900.48 is: 20,759,834.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,229,412.16 : 81,344,052.96 = 13,839,900.48 : x
  2. Step 2: Convert to fraction form
    54,229,412.16/81,344,052.96 = 13,839,900.48/x
  3. Step 3: Cross multiply
    54,229,412.16x = 81,344,052.96 × 13,839,900.48
  4. Step 4: Simplify right side
    54,229,412.16x = 1,125,793,597,606,249.38
  5. Step 5: Solve for x
    x = 1,125,793,597,606,249.38/54,229,412.16
  6. Step 6: Final answer
    x = 20,759,834.06

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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.