Home / 231,755,998.60-347,899,418.70-136,071,800.20

Finding the Fourth Proportional to 231,755,998.60, 347,899,418.70 and 136,071,800.20

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Solution

The fourth proportional to 231,755,998.60, 347,899,418.70 and 136,071,800.20 is: 204,263,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,755,998.60 : 347,899,418.70 = 136,071,800.20 : x
  2. Step 2: Convert to fraction form
    231,755,998.60/347,899,418.70 = 136,071,800.20/x
  3. Step 3: Cross multiply
    231,755,998.60x = 347,899,418.70 × 136,071,800.20
  4. Step 4: Simplify right side
    231,755,998.60x = 47,339,300,191,042,536
  5. Step 5: Solve for x
    x = 47,339,300,191,042,536/231,755,998.60
  6. Step 6: Final answer
    x = 204,263,537.85

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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.