Home / 253,765,390.23-350,196,238.49-143,757,103.23

Finding the Fourth Proportional to 253,765,390.23, 350,196,238.49 and 143,757,103.23

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Solution

The fourth proportional to 253,765,390.23, 350,196,238.49 and 143,757,103.23 is: 198,384,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,765,390.23 : 350,196,238.49 = 143,757,103.23 : x
  2. Step 2: Convert to fraction form
    253,765,390.23/350,196,238.49 = 143,757,103.23/x
  3. Step 3: Cross multiply
    253,765,390.23x = 350,196,238.49 × 143,757,103.23
  4. Step 4: Simplify right side
    253,765,390.23x = 50,343,196,806,645,840
  5. Step 5: Solve for x
    x = 50,343,196,806,645,840/253,765,390.23
  6. Step 6: Final answer
    x = 198,384,802.44

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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.