Home / 198,310,834.47-273,380,522.19-138,586,704.60

Finding the Fourth Proportional to 198,310,834.47, 273,380,522.19 and 138,586,704.60

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Solution

The fourth proportional to 198,310,834.47, 273,380,522.19 and 138,586,704.60 is: 191,048,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,310,834.47 : 273,380,522.19 = 138,586,704.60 : x
  2. Step 2: Convert to fraction form
    198,310,834.47/273,380,522.19 = 138,586,704.60/x
  3. Step 3: Cross multiply
    198,310,834.47x = 273,380,522.19 × 138,586,704.60
  4. Step 4: Simplify right side
    198,310,834.47x = 37,886,905,672,139,272
  5. Step 5: Solve for x
    x = 37,886,905,672,139,272/198,310,834.47
  6. Step 6: Final answer
    x = 191,048,087.58

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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.