Home / 66,734,971.74-100,065,965.68-52,990,222.56

Finding the Fourth Proportional to 66,734,971.74, 100,065,965.68 and 52,990,222.56

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Solution

The fourth proportional to 66,734,971.74, 100,065,965.68 and 52,990,222.56 is: 79,456,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734,971.74 : 100,065,965.68 = 52,990,222.56 : x
  2. Step 2: Convert to fraction form
    66,734,971.74/100,065,965.68 = 52,990,222.56/x
  3. Step 3: Cross multiply
    66,734,971.74x = 100,065,965.68 × 52,990,222.56
  4. Step 4: Simplify right side
    66,734,971.74x = 5,302,517,792,064,522
  5. Step 5: Solve for x
    x = 5,302,517,792,064,522/66,734,971.74
  6. Step 6: Final answer
    x = 79,456,357.80

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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.