Home / 199,624,059.20-299,548,063.20-84,589,025.60

Finding the Fourth Proportional to 199,624,059.20, 299,548,063.20 and 84,589,025.60

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Solution

The fourth proportional to 199,624,059.20, 299,548,063.20 and 84,589,025.60 is: 126,930,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,624,059.20 : 299,548,063.20 = 84,589,025.60 : x
  2. Step 2: Convert to fraction form
    199,624,059.20/299,548,063.20 = 84,589,025.60/x
  3. Step 3: Cross multiply
    199,624,059.20x = 299,548,063.20 × 84,589,025.60
  4. Step 4: Simplify right side
    199,624,059.20x = 25,338,478,786,455,216
  5. Step 5: Solve for x
    x = 25,338,478,786,455,216/199,624,059.20
  6. Step 6: Final answer
    x = 126,930,986.62

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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.