Home / 208,288,578.20-312,432,867.30-174,528,296.60

Finding the Fourth Proportional to 208,288,578.20, 312,432,867.30 and 174,528,296.60

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Solution

The fourth proportional to 208,288,578.20, 312,432,867.30 and 174,528,296.60 is: 261,792,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,288,578.20 : 312,432,867.30 = 174,528,296.60 : x
  2. Step 2: Convert to fraction form
    208,288,578.20/312,432,867.30 = 174,528,296.60/x
  3. Step 3: Cross multiply
    208,288,578.20x = 312,432,867.30 × 174,528,296.60
  4. Step 4: Simplify right side
    208,288,578.20x = 54,528,376,131,722,840
  5. Step 5: Solve for x
    x = 54,528,376,131,722,840/208,288,578.20
  6. Step 6: Final answer
    x = 261,792,444.90

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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.