Home / 165,297,351.42-247,981,899.40-50,278,904.39

Finding the Fourth Proportional to 165,297,351.42, 247,981,899.40 and 50,278,904.39

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Solution

The fourth proportional to 165,297,351.42, 247,981,899.40 and 50,278,904.39 is: 75,429,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,297,351.42 : 247,981,899.40 = 50,278,904.39 : x
  2. Step 2: Convert to fraction form
    165,297,351.42/247,981,899.40 = 50,278,904.39/x
  3. Step 3: Cross multiply
    165,297,351.42x = 247,981,899.40 × 50,278,904.39
  4. Step 4: Simplify right side
    165,297,351.42x = 12,468,258,210,877,456
  5. Step 5: Solve for x
    x = 12,468,258,210,877,456/165,297,351.42
  6. Step 6: Final answer
    x = 75,429,267.95

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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.