Home / 228,682,376.88-315,580,993.02-124,260,766.80

Finding the Fourth Proportional to 228,682,376.88, 315,580,993.02 and 124,260,766.80

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Solution

The fourth proportional to 228,682,376.88, 315,580,993.02 and 124,260,766.80 is: 171,479,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,682,376.88 : 315,580,993.02 = 124,260,766.80 : x
  2. Step 2: Convert to fraction form
    228,682,376.88/315,580,993.02 = 124,260,766.80/x
  3. Step 3: Cross multiply
    228,682,376.88x = 315,580,993.02 × 124,260,766.80
  4. Step 4: Simplify right side
    228,682,376.88x = 39,214,336,180,170,648
  5. Step 5: Solve for x
    x = 39,214,336,180,170,648/228,682,376.88
  6. Step 6: Final answer
    x = 171,479,484.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.