Home / 312,264,559.20-468,060,915.60-118,100,949.60

Finding the Fourth Proportional to 312,264,559.20, 468,060,915.60 and 118,100,949.60

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Solution

The fourth proportional to 312,264,559.20, 468,060,915.60 and 118,100,949.60 is: 177,024,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,264,559.20 : 468,060,915.60 = 118,100,949.60 : x
  2. Step 2: Convert to fraction form
    312,264,559.20/468,060,915.60 = 118,100,949.60/x
  3. Step 3: Cross multiply
    312,264,559.20x = 468,060,915.60 × 118,100,949.60
  4. Step 4: Simplify right side
    312,264,559.20x = 55,278,438,603,005,456
  5. Step 5: Solve for x
    x = 55,278,438,603,005,456/312,264,559.20
  6. Step 6: Final answer
    x = 177,024,375.56

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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.