Home / 66,734,968.73-100,065,961.19-52,990,219.55

Finding the Fourth Proportional to 66,734,968.73, 100,065,961.19 and 52,990,219.55

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Solution

The fourth proportional to 66,734,968.73, 100,065,961.19 and 52,990,219.55 is: 79,456,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734,968.73 : 100,065,961.19 = 52,990,219.55 : x
  2. Step 2: Convert to fraction form
    66,734,968.73/100,065,961.19 = 52,990,219.55/x
  3. Step 3: Cross multiply
    66,734,968.73x = 100,065,961.19 × 52,990,219.55
  4. Step 4: Simplify right side
    66,734,968.73x = 5,302,517,253,322,520
  5. Step 5: Solve for x
    x = 5,302,517,253,322,520/66,734,968.73
  6. Step 6: Final answer
    x = 79,456,353.31

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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.