Home / 131,867,999.70-197,801,999.55-91,053,330.90

Finding the Fourth Proportional to 131,867,999.70, 197,801,999.55 and 91,053,330.90

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Solution

The fourth proportional to 131,867,999.70, 197,801,999.55 and 91,053,330.90 is: 136,579,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,867,999.70 : 197,801,999.55 = 91,053,330.90 : x
  2. Step 2: Convert to fraction form
    131,867,999.70/197,801,999.55 = 91,053,330.90/x
  3. Step 3: Cross multiply
    131,867,999.70x = 197,801,999.55 × 91,053,330.90
  4. Step 4: Simplify right side
    131,867,999.70x = 18,010,530,917,707,804
  5. Step 5: Solve for x
    x = 18,010,530,917,707,804/131,867,999.70
  6. Step 6: Final answer
    x = 136,579,996.35

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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.