Home / 156,629,936.40-234,944,904.60-133,451,235.60

Finding the Fourth Proportional to 156,629,936.40, 234,944,904.60 and 133,451,235.60

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Solution

The fourth proportional to 156,629,936.40, 234,944,904.60 and 133,451,235.60 is: 200,176,853.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,629,936.40 : 234,944,904.60 = 133,451,235.60 : x
  2. Step 2: Convert to fraction form
    156,629,936.40/234,944,904.60 = 133,451,235.60/x
  3. Step 3: Cross multiply
    156,629,936.40x = 234,944,904.60 × 133,451,235.60
  4. Step 4: Simplify right side
    156,629,936.40x = 31,353,687,816,794,120
  5. Step 5: Solve for x
    x = 31,353,687,816,794,120/156,629,936.40
  6. Step 6: Final answer
    x = 200,176,853.40

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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.