Home / 255,349,181.12-383,077,571.07-82,812,540.74

Finding the Fourth Proportional to 255,349,181.12, 383,077,571.07 and 82,812,540.74

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Solution

The fourth proportional to 255,349,181.12, 383,077,571.07 and 82,812,540.74 is: 124,236,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,349,181.12 : 383,077,571.07 = 82,812,540.74 : x
  2. Step 2: Convert to fraction form
    255,349,181.12/383,077,571.07 = 82,812,540.74/x
  3. Step 3: Cross multiply
    255,349,181.12x = 383,077,571.07 × 82,812,540.74
  4. Step 4: Simplify right side
    255,349,181.12x = 31,723,626,960,814,616
  5. Step 5: Solve for x
    x = 31,723,626,960,814,616/255,349,181.12
  6. Step 6: Final answer
    x = 124,236,258.84

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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.