Home / 312,685,277.58-468,722,911.92-148,879,021.32

Finding the Fourth Proportional to 312,685,277.58, 468,722,911.92 and 148,879,021.32

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Solution

The fourth proportional to 312,685,277.58, 468,722,911.92 and 148,879,021.32 is: 223,173,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,685,277.58 : 468,722,911.92 = 148,879,021.32 : x
  2. Step 2: Convert to fraction form
    312,685,277.58/468,722,911.92 = 148,879,021.32/x
  3. Step 3: Cross multiply
    312,685,277.58x = 468,722,911.92 × 148,879,021.32
  4. Step 4: Simplify right side
    312,685,277.58x = 69,783,008,396,910,160
  5. Step 5: Solve for x
    x = 69,783,008,396,910,160/312,685,277.58
  6. Step 6: Final answer
    x = 223,173,310.04

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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.