Home / 199,792,682.16-299,682,180.24-84,703,112.88

Finding the Fourth Proportional to 199,792,682.16, 299,682,180.24 and 84,703,112.88

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Solution

The fourth proportional to 199,792,682.16, 299,682,180.24 and 84,703,112.88 is: 127,051,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,792,682.16 : 299,682,180.24 = 84,703,112.88 : x
  2. Step 2: Convert to fraction form
    199,792,682.16/299,682,180.24 = 84,703,112.88/x
  3. Step 3: Cross multiply
    199,792,682.16x = 299,682,180.24 × 84,703,112.88
  4. Step 4: Simplify right side
    199,792,682.16x = 25,384,013,540,993,224
  5. Step 5: Solve for x
    x = 25,384,013,540,993,224/199,792,682.16
  6. Step 6: Final answer
    x = 127,051,768.20

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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.