Home / 71,819,999.60-107,729,999.40-49,145,183.60

Finding the Fourth Proportional to 71,819,999.60, 107,729,999.40 and 49,145,183.60

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Solution

The fourth proportional to 71,819,999.60, 107,729,999.40 and 49,145,183.60 is: 73,717,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,819,999.60 : 107,729,999.40 = 49,145,183.60 : x
  2. Step 2: Convert to fraction form
    71,819,999.60/107,729,999.40 = 49,145,183.60/x
  3. Step 3: Cross multiply
    71,819,999.60x = 107,729,999.40 × 49,145,183.60
  4. Step 4: Simplify right side
    71,819,999.60x = 5,294,410,599,740,890
  5. Step 5: Solve for x
    x = 5,294,410,599,740,890/71,819,999.60
  6. Step 6: Final answer
    x = 73,717,775.40

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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.