Home / 205,098,831.20-307,648,246.80-197,932,469.60

Finding the Fourth Proportional to 205,098,831.20, 307,648,246.80 and 197,932,469.60

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Solution

The fourth proportional to 205,098,831.20, 307,648,246.80 and 197,932,469.60 is: 296,898,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,098,831.20 : 307,648,246.80 = 197,932,469.60 : x
  2. Step 2: Convert to fraction form
    205,098,831.20/307,648,246.80 = 197,932,469.60/x
  3. Step 3: Cross multiply
    205,098,831.20x = 307,648,246.80 × 197,932,469.60
  4. Step 4: Simplify right side
    205,098,831.20x = 60,893,577,257,234,296
  5. Step 5: Solve for x
    x = 60,893,577,257,234,296/205,098,831.20
  6. Step 6: Final answer
    x = 296,898,704.40

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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.