Home / 322,745,918.72-445,328,453.76-192,377,857.28

Finding the Fourth Proportional to 322,745,918.72, 445,328,453.76 and 192,377,857.28

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Solution

The fourth proportional to 322,745,918.72, 445,328,453.76 and 192,377,857.28 is: 265,445,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,745,918.72 : 445,328,453.76 = 192,377,857.28 : x
  2. Step 2: Convert to fraction form
    322,745,918.72/445,328,453.76 = 192,377,857.28/x
  3. Step 3: Cross multiply
    322,745,918.72x = 445,328,453.76 × 192,377,857.28
  4. Step 4: Simplify right side
    322,745,918.72x = 85,671,333,720,164,352
  5. Step 5: Solve for x
    x = 85,671,333,720,164,352/322,745,918.72
  6. Step 6: Final answer
    x = 265,445,134.24

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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.