Home / 282,467,167.85-423,702,104.97-85,732,290.05

Finding the Fourth Proportional to 282,467,167.85, 423,702,104.97 and 85,732,290.05

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Solution

The fourth proportional to 282,467,167.85, 423,702,104.97 and 85,732,290.05 is: 128,598,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,467,167.85 : 423,702,104.97 = 85,732,290.05 : x
  2. Step 2: Convert to fraction form
    282,467,167.85/423,702,104.97 = 85,732,290.05/x
  3. Step 3: Cross multiply
    282,467,167.85x = 423,702,104.97 × 85,732,290.05
  4. Step 4: Simplify right side
    282,467,167.85x = 36,324,951,755,965,080
  5. Step 5: Solve for x
    x = 36,324,951,755,965,080/282,467,167.85
  6. Step 6: Final answer
    x = 128,598,845.78

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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.