Home / 193,083,204.80-289,624,807.20-131,861,201.60

Finding the Fourth Proportional to 193,083,204.80, 289,624,807.20 and 131,861,201.60

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Solution

The fourth proportional to 193,083,204.80, 289,624,807.20 and 131,861,201.60 is: 197,791,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,083,204.80 : 289,624,807.20 = 131,861,201.60 : x
  2. Step 2: Convert to fraction form
    193,083,204.80/289,624,807.20 = 131,861,201.60/x
  3. Step 3: Cross multiply
    193,083,204.80x = 289,624,807.20 × 131,861,201.60
  4. Step 4: Simplify right side
    193,083,204.80x = 38,190,275,090,560,328
  5. Step 5: Solve for x
    x = 38,190,275,090,560,328/193,083,204.80
  6. Step 6: Final answer
    x = 197,791,802.40

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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.