Home / 54,942,824.61-82,425,901.05-20,863,415.97

Finding the Fourth Proportional to 54,942,824.61, 82,425,901.05 and 20,863,415.97

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Solution

The fourth proportional to 54,942,824.61, 82,425,901.05 and 20,863,415.97 is: 31,299,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942,824.61 : 82,425,901.05 = 20,863,415.97 : x
  2. Step 2: Convert to fraction form
    54,942,824.61/82,425,901.05 = 20,863,415.97/x
  3. Step 3: Cross multiply
    54,942,824.61x = 82,425,901.05 × 20,863,415.97
  4. Step 4: Simplify right side
    54,942,824.61x = 1,719,685,860,308,209.50
  5. Step 5: Solve for x
    x = 1,719,685,860,308,209.50/54,942,824.61
  6. Step 6: Final answer
    x = 31,299,553.17

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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.