Home / 208,288,511.20-312,432,766.80-174,528,229.60

Finding the Fourth Proportional to 208,288,511.20, 312,432,766.80 and 174,528,229.60

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Solution

The fourth proportional to 208,288,511.20, 312,432,766.80 and 174,528,229.60 is: 261,792,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,288,511.20 : 312,432,766.80 = 174,528,229.60 : x
  2. Step 2: Convert to fraction form
    208,288,511.20/312,432,766.80 = 174,528,229.60/x
  3. Step 3: Cross multiply
    208,288,511.20x = 312,432,766.80 × 174,528,229.60
  4. Step 4: Simplify right side
    208,288,511.20x = 54,528,337,658,633,656
  5. Step 5: Solve for x
    x = 54,528,337,658,633,656/208,288,511.20
  6. Step 6: Final answer
    x = 261,792,344.40

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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.