Home / 255,480,559.80-383,215,324.74-71,243,128.44

Finding the Fourth Proportional to 255,480,559.80, 383,215,324.74 and 71,243,128.44

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Solution

The fourth proportional to 255,480,559.80, 383,215,324.74 and 71,243,128.44 is: 106,863,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,480,559.80 : 383,215,324.74 = 71,243,128.44 : x
  2. Step 2: Convert to fraction form
    255,480,559.80/383,215,324.74 = 71,243,128.44/x
  3. Step 3: Cross multiply
    255,480,559.80x = 383,215,324.74 × 71,243,128.44
  4. Step 4: Simplify right side
    255,480,559.80x = 27,301,458,600,628,128
  5. Step 5: Solve for x
    x = 27,301,458,600,628,128/255,480,559.80
  6. Step 6: Final answer
    x = 106,863,154.76

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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.