Home / 122,951,360.31-169,673,042.57-70,739,348.78

Finding the Fourth Proportional to 122,951,360.31, 169,673,042.57 and 70,739,348.78

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Solution

The fourth proportional to 122,951,360.31, 169,673,042.57 and 70,739,348.78 is: 97,620,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,951,360.31 : 169,673,042.57 = 70,739,348.78 : x
  2. Step 2: Convert to fraction form
    122,951,360.31/169,673,042.57 = 70,739,348.78/x
  3. Step 3: Cross multiply
    122,951,360.31x = 169,673,042.57 × 70,739,348.78
  4. Step 4: Simplify right side
    122,951,360.31x = 12,002,560,535,720,956
  5. Step 5: Solve for x
    x = 12,002,560,535,720,956/122,951,360.31
  6. Step 6: Final answer
    x = 97,620,396.44

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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.