Home / 54,521,716.82-81,771,574.61-19,966,322.66

Finding the Fourth Proportional to 54,521,716.82, 81,771,574.61 and 19,966,322.66

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Solution

The fourth proportional to 54,521,716.82, 81,771,574.61 and 19,966,322.66 is: 29,945,455.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,521,716.82 : 81,771,574.61 = 19,966,322.66 : x
  2. Step 2: Convert to fraction form
    54,521,716.82/81,771,574.61 = 19,966,322.66/x
  3. Step 3: Cross multiply
    54,521,716.82x = 81,771,574.61 × 19,966,322.66
  4. Step 4: Simplify right side
    54,521,716.82x = 1,632,677,643,180,546.50
  5. Step 5: Solve for x
    x = 1,632,677,643,180,546.50/54,521,716.82
  6. Step 6: Final answer
    x = 29,945,455.47

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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.