Home / 143,186,629.80-197,591,177.92-83,653,446.45

Finding the Fourth Proportional to 143,186,629.80, 197,591,177.92 and 83,653,446.45

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Solution

The fourth proportional to 143,186,629.80, 197,591,177.92 and 83,653,446.45 is: 115,438,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,186,629.80 : 197,591,177.92 = 83,653,446.45 : x
  2. Step 2: Convert to fraction form
    143,186,629.80/197,591,177.92 = 83,653,446.45/x
  3. Step 3: Cross multiply
    143,186,629.80x = 197,591,177.92 × 83,653,446.45
  4. Step 4: Simplify right side
    143,186,629.80x = 16,529,183,021,651,498
  5. Step 5: Solve for x
    x = 16,529,183,021,651,498/143,186,629.80
  6. Step 6: Final answer
    x = 115,438,033.88

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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.