Home / 197,861,845.60-296,792,768.40-146,205,780.40

Finding the Fourth Proportional to 197,861,845.60, 296,792,768.40 and 146,205,780.40

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Solution

The fourth proportional to 197,861,845.60, 296,792,768.40 and 146,205,780.40 is: 219,308,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,861,845.60 : 296,792,768.40 = 146,205,780.40 : x
  2. Step 2: Convert to fraction form
    197,861,845.60/296,792,768.40 = 146,205,780.40/x
  3. Step 3: Cross multiply
    197,861,845.60x = 296,792,768.40 × 146,205,780.40
  4. Step 4: Simplify right side
    197,861,845.60x = 43,392,818,320,998,456
  5. Step 5: Solve for x
    x = 43,392,818,320,998,456/197,861,845.60
  6. Step 6: Final answer
    x = 219,308,670.60

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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.