Home / 185,615,701.80-278,636,129.10-108,981,909.60

Finding the Fourth Proportional to 185,615,701.80, 278,636,129.10 and 108,981,909.60

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Solution

The fourth proportional to 185,615,701.80, 278,636,129.10 and 108,981,909.60 is: 163,597,675.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,615,701.80 : 278,636,129.10 = 108,981,909.60 : x
  2. Step 2: Convert to fraction form
    185,615,701.80/278,636,129.10 = 108,981,909.60/x
  3. Step 3: Cross multiply
    185,615,701.80x = 278,636,129.10 × 108,981,909.60
  4. Step 4: Simplify right side
    185,615,701.80x = 30,366,297,432,870,132
  5. Step 5: Solve for x
    x = 30,366,297,432,870,132/185,615,701.80
  6. Step 6: Final answer
    x = 163,597,675.94

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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.