Home / 135,864,581.80-203,809,314.30-55,068,831.40

Finding the Fourth Proportional to 135,864,581.80, 203,809,314.30 and 55,068,831.40

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Solution

The fourth proportional to 135,864,581.80, 203,809,314.30 and 55,068,831.40 is: 82,608,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,864,581.80 : 203,809,314.30 = 55,068,831.40 : x
  2. Step 2: Convert to fraction form
    135,864,581.80/203,809,314.30 = 55,068,831.40/x
  3. Step 3: Cross multiply
    135,864,581.80x = 203,809,314.30 × 55,068,831.40
  4. Step 4: Simplify right side
    135,864,581.80x = 11,223,540,766,936,310
  5. Step 5: Solve for x
    x = 11,223,540,766,936,310/135,864,581.80
  6. Step 6: Final answer
    x = 82,608,289.95

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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.