Home / 149,469,108.16-206,267,497.67-83,389,616.66

Finding the Fourth Proportional to 149,469,108.16, 206,267,497.67 and 83,389,616.66

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Solution

The fourth proportional to 149,469,108.16, 206,267,497.67 and 83,389,616.66 is: 115,077,742.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,469,108.16 : 206,267,497.67 = 83,389,616.66 : x
  2. Step 2: Convert to fraction form
    149,469,108.16/206,267,497.67 = 83,389,616.66/x
  3. Step 3: Cross multiply
    149,469,108.16x = 206,267,497.67 × 83,389,616.66
  4. Step 4: Simplify right side
    149,469,108.16x = 17,200,567,560,118,742
  5. Step 5: Solve for x
    x = 17,200,567,560,118,742/149,469,108.16
  6. Step 6: Final answer
    x = 115,077,742.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.