Home / 45,158,810.52-67,635,765.74-28,764,183.72

Finding the Fourth Proportional to 45,158,810.52, 67,635,765.74 and 28,764,183.72

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Solution

The fourth proportional to 45,158,810.52, 67,635,765.74 and 28,764,183.72 is: 43,081,019.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,158,810.52 : 67,635,765.74 = 28,764,183.72 : x
  2. Step 2: Convert to fraction form
    45,158,810.52/67,635,765.74 = 28,764,183.72/x
  3. Step 3: Cross multiply
    45,158,810.52x = 67,635,765.74 × 28,764,183.72
  4. Step 4: Simplify right side
    45,158,810.52x = 1,945,487,591,788,241.50
  5. Step 5: Solve for x
    x = 1,945,487,591,788,241.50/45,158,810.52
  6. Step 6: Final answer
    x = 43,081,019.39

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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.