Home / 255,346,790.81-383,073,986.42-82,810,150.84

Finding the Fourth Proportional to 255,346,790.81, 383,073,986.42 and 82,810,150.84

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Solution

The fourth proportional to 255,346,790.81, 383,073,986.42 and 82,810,150.84 is: 124,232,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,346,790.81 : 383,073,986.42 = 82,810,150.84 : x
  2. Step 2: Convert to fraction form
    255,346,790.81/383,073,986.42 = 82,810,150.84/x
  3. Step 3: Cross multiply
    255,346,790.81x = 383,073,986.42 × 82,810,150.84
  4. Step 4: Simplify right side
    255,346,790.81x = 31,722,414,595,990,892
  5. Step 5: Solve for x
    x = 31,722,414,595,990,892/255,346,790.81
  6. Step 6: Final answer
    x = 124,232,673.91

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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.