Home / 198,009,119.94-273,230,423.01-109,906,831.50

Finding the Fourth Proportional to 198,009,119.94, 273,230,423.01 and 109,906,831.50

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Solution

The fourth proportional to 198,009,119.94, 273,230,423.01 and 109,906,831.50 is: 151,659,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,009,119.94 : 273,230,423.01 = 109,906,831.50 : x
  2. Step 2: Convert to fraction form
    198,009,119.94/273,230,423.01 = 109,906,831.50/x
  3. Step 3: Cross multiply
    198,009,119.94x = 273,230,423.01 × 109,906,831.50
  4. Step 4: Simplify right side
    198,009,119.94x = 30,029,890,062,433,792
  5. Step 5: Solve for x
    x = 30,029,890,062,433,792/198,009,119.94
  6. Step 6: Final answer
    x = 151,659,125.96

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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.