Home / 255,360,071.20-383,040,106.80-251,328,992.80

Finding the Fourth Proportional to 255,360,071.20, 383,040,106.80 and 251,328,992.80

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Solution

The fourth proportional to 255,360,071.20, 383,040,106.80 and 251,328,992.80 is: 376,993,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,360,071.20 : 383,040,106.80 = 251,328,992.80 : x
  2. Step 2: Convert to fraction form
    255,360,071.20/383,040,106.80 = 251,328,992.80/x
  3. Step 3: Cross multiply
    255,360,071.20x = 383,040,106.80 × 251,328,992.80
  4. Step 4: Simplify right side
    255,360,071.20x = 96,269,084,244,048,432
  5. Step 5: Solve for x
    x = 96,269,084,244,048,432/255,360,071.20
  6. Step 6: Final answer
    x = 376,993,489.20

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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.