Home / 57,697,147.20-79,621,770.84-31,591,190.64

Finding the Fourth Proportional to 57,697,147.20, 79,621,770.84 and 31,591,190.64

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Solution

The fourth proportional to 57,697,147.20, 79,621,770.84 and 31,591,190.64 is: 43,595,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,697,147.20 : 79,621,770.84 = 31,591,190.64 : x
  2. Step 2: Convert to fraction form
    57,697,147.20/79,621,770.84 = 31,591,190.64/x
  3. Step 3: Cross multiply
    57,697,147.20x = 79,621,770.84 × 31,591,190.64
  4. Step 4: Simplify right side
    57,697,147.20x = 2,515,346,541,700,833
  5. Step 5: Solve for x
    x = 2,515,346,541,700,833/57,697,147.20
  6. Step 6: Final answer
    x = 43,595,683.04

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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.