Home / 69,221,016.84-103,823,593.74-18,107,969.16

Finding the Fourth Proportional to 69,221,016.84, 103,823,593.74 and 18,107,969.16

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Solution

The fourth proportional to 69,221,016.84, 103,823,593.74 and 18,107,969.16 is: 27,159,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,221,016.84 : 103,823,593.74 = 18,107,969.16 : x
  2. Step 2: Convert to fraction form
    69,221,016.84/103,823,593.74 = 18,107,969.16/x
  3. Step 3: Cross multiply
    69,221,016.84x = 103,823,593.74 × 18,107,969.16
  4. Step 4: Simplify right side
    69,221,016.84x = 1,880,034,433,524,289
  5. Step 5: Solve for x
    x = 1,880,034,433,524,289/69,221,016.84
  6. Step 6: Final answer
    x = 27,159,878.88

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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.