Home / 422,167,673.88-633,331,061.73-159,930,769.64

Finding the Fourth Proportional to 422,167,673.88, 633,331,061.73 and 159,930,769.64

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Solution

The fourth proportional to 422,167,673.88, 633,331,061.73 and 159,930,769.64 is: 239,926,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,167,673.88 : 633,331,061.73 = 159,930,769.64 : x
  2. Step 2: Convert to fraction form
    422,167,673.88/633,331,061.73 = 159,930,769.64/x
  3. Step 3: Cross multiply
    422,167,673.88x = 633,331,061.73 × 159,930,769.64
  4. Step 4: Simplify right side
    422,167,673.88x = 101,289,124,136,230,592
  5. Step 5: Solve for x
    x = 101,289,124,136,230,592/422,167,673.88
  6. Step 6: Final answer
    x = 239,926,290.91

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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.