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Finding the Fourth Proportional to 299,610,588.80, 449,428,324.80 and 95,132,892.80

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Solution

The fourth proportional to 299,610,588.80, 449,428,324.80 and 95,132,892.80 is: 142,703,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,610,588.80 : 449,428,324.80 = 95,132,892.80 : x
  2. Step 2: Convert to fraction form
    299,610,588.80/449,428,324.80 = 95,132,892.80/x
  3. Step 3: Cross multiply
    299,610,588.80x = 449,428,324.80 × 95,132,892.80
  4. Step 4: Simplify right side
    299,610,588.80x = 42,755,416,644,481,984
  5. Step 5: Solve for x
    x = 42,755,416,644,481,984/299,610,588.80
  6. Step 6: Final answer
    x = 142,703,289.68

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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.