Home / 111,107,260.40-166,768,458.60-53,639,855.60

Finding the Fourth Proportional to 111,107,260.40, 166,768,458.60 and 53,639,855.60

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Solution

The fourth proportional to 111,107,260.40, 166,768,458.60 and 53,639,855.60 is: 80,511,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,107,260.40 : 166,768,458.60 = 53,639,855.60 : x
  2. Step 2: Convert to fraction form
    111,107,260.40/166,768,458.60 = 53,639,855.60/x
  3. Step 3: Cross multiply
    111,107,260.40x = 166,768,458.60 × 53,639,855.60
  4. Step 4: Simplify right side
    111,107,260.40x = 8,945,436,037,938,578
  5. Step 5: Solve for x
    x = 8,945,436,037,938,578/111,107,260.40
  6. Step 6: Final answer
    x = 80,511,714.59

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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.