Home / 148,689,863.70-222,958,214.91-66,738,487.11

Finding the Fourth Proportional to 148,689,863.70, 222,958,214.91 and 66,738,487.11

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Solution

The fourth proportional to 148,689,863.70, 222,958,214.91 and 66,738,487.11 is: 100,073,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,689,863.70 : 222,958,214.91 = 66,738,487.11 : x
  2. Step 2: Convert to fraction form
    148,689,863.70/222,958,214.91 = 66,738,487.11/x
  3. Step 3: Cross multiply
    148,689,863.70x = 222,958,214.91 × 66,738,487.11
  4. Step 4: Simplify right side
    148,689,863.70x = 14,879,893,951,839,644
  5. Step 5: Solve for x
    x = 14,879,893,951,839,644/148,689,863.70
  6. Step 6: Final answer
    x = 100,073,357.94

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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.