Home / 53,805,831.20-80,921,323.20-48,278,844.80

Finding the Fourth Proportional to 53,805,831.20, 80,921,323.20 and 48,278,844.80

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Solution

The fourth proportional to 53,805,831.20, 80,921,323.20 and 48,278,844.80 is: 72,609,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,805,831.20 : 80,921,323.20 = 48,278,844.80 : x
  2. Step 2: Convert to fraction form
    53,805,831.20/80,921,323.20 = 48,278,844.80/x
  3. Step 3: Cross multiply
    53,805,831.20x = 80,921,323.20 × 48,278,844.80
  4. Step 4: Simplify right side
    53,805,831.20x = 3,906,788,003,783,439.50
  5. Step 5: Solve for x
    x = 3,906,788,003,783,439.50/53,805,831.20
  6. Step 6: Final answer
    x = 72,609,007.55

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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.