Home / 312,685,283.64-468,722,920.86-148,879,027.38

Finding the Fourth Proportional to 312,685,283.64, 468,722,920.86 and 148,879,027.38

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Solution

The fourth proportional to 312,685,283.64, 468,722,920.86 and 148,879,027.38 is: 223,173,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,685,283.64 : 468,722,920.86 = 148,879,027.38 : x
  2. Step 2: Convert to fraction form
    312,685,283.64/468,722,920.86 = 148,879,027.38/x
  3. Step 3: Cross multiply
    312,685,283.64x = 468,722,920.86 × 148,879,027.38
  4. Step 4: Simplify right side
    312,685,283.64x = 69,783,012,568,349,512
  5. Step 5: Solve for x
    x = 69,783,012,568,349,512/312,685,283.64
  6. Step 6: Final answer
    x = 223,173,319.05

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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.