Home / 178,839,375.80-268,259,063.70-161,833,263.80

Finding the Fourth Proportional to 178,839,375.80, 268,259,063.70 and 161,833,263.80

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Solution

The fourth proportional to 178,839,375.80, 268,259,063.70 and 161,833,263.80 is: 242,749,895.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,839,375.80 : 268,259,063.70 = 161,833,263.80 : x
  2. Step 2: Convert to fraction form
    178,839,375.80/268,259,063.70 = 161,833,263.80/x
  3. Step 3: Cross multiply
    178,839,375.80x = 268,259,063.70 × 161,833,263.80
  4. Step 4: Simplify right side
    178,839,375.80x = 43,413,239,822,503,104
  5. Step 5: Solve for x
    x = 43,413,239,822,503,104/178,839,375.80
  6. Step 6: Final answer
    x = 242,749,895.70

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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.