Home / 178,901,974.80-268,211,244.60-98,122,942.80

Finding the Fourth Proportional to 178,901,974.80, 268,211,244.60 and 98,122,942.80

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Solution

The fourth proportional to 178,901,974.80, 268,211,244.60 and 98,122,942.80 is: 147,106,685.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,901,974.80 : 268,211,244.60 = 98,122,942.80 : x
  2. Step 2: Convert to fraction form
    178,901,974.80/268,211,244.60 = 98,122,942.80/x
  3. Step 3: Cross multiply
    178,901,974.80x = 268,211,244.60 × 98,122,942.80
  4. Step 4: Simplify right side
    178,901,974.80x = 26,317,676,612,202,608
  5. Step 5: Solve for x
    x = 26,317,676,612,202,608/178,901,974.80
  6. Step 6: Final answer
    x = 147,106,685.89

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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.