Home / 202,352,857.25-303,508,858.61-137,192,378.03

Finding the Fourth Proportional to 202,352,857.25, 303,508,858.61 and 137,192,378.03

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Solution

The fourth proportional to 202,352,857.25, 303,508,858.61 and 137,192,378.03 is: 205,774,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,352,857.25 : 303,508,858.61 = 137,192,378.03 : x
  2. Step 2: Convert to fraction form
    202,352,857.25/303,508,858.61 = 137,192,378.03/x
  3. Step 3: Cross multiply
    202,352,857.25x = 303,508,858.61 × 137,192,378.03
  4. Step 4: Simplify right side
    202,352,857.25x = 41,639,102,064,702,384
  5. Step 5: Solve for x
    x = 41,639,102,064,702,384/202,352,857.25
  6. Step 6: Final answer
    x = 205,774,717.64

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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.