Home / 69,221,007.84-103,823,580.24-18,107,960.16

Finding the Fourth Proportional to 69,221,007.84, 103,823,580.24 and 18,107,960.16

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Solution

The fourth proportional to 69,221,007.84, 103,823,580.24 and 18,107,960.16 is: 27,159,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,221,007.84 : 103,823,580.24 = 18,107,960.16 : x
  2. Step 2: Convert to fraction form
    69,221,007.84/103,823,580.24 = 18,107,960.16/x
  3. Step 3: Cross multiply
    69,221,007.84x = 103,823,580.24 × 18,107,960.16
  4. Step 4: Simplify right side
    69,221,007.84x = 1,880,033,254,654,483.25
  5. Step 5: Solve for x
    x = 1,880,033,254,654,483.25/69,221,007.84
  6. Step 6: Final answer
    x = 27,159,865.38

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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.