Home / 185,615,704.80-278,636,133.60-108,981,912.60

Finding the Fourth Proportional to 185,615,704.80, 278,636,133.60 and 108,981,912.60

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Solution

The fourth proportional to 185,615,704.80, 278,636,133.60 and 108,981,912.60 is: 163,597,680.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,615,704.80 : 278,636,133.60 = 108,981,912.60 : x
  2. Step 2: Convert to fraction form
    185,615,704.80/278,636,133.60 = 108,981,912.60/x
  3. Step 3: Cross multiply
    185,615,704.80x = 278,636,133.60 × 108,981,912.60
  4. Step 4: Simplify right side
    185,615,704.80x = 30,366,298,759,197,124
  5. Step 5: Solve for x
    x = 30,366,298,759,197,124/185,615,704.80
  6. Step 6: Final answer
    x = 163,597,680.44

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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.