Home / 66,884,968.88-100,322,582.04-30,008,277.80

Finding the Fourth Proportional to 66,884,968.88, 100,322,582.04 and 30,008,277.80

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Solution

The fourth proportional to 66,884,968.88, 100,322,582.04 and 30,008,277.80 is: 45,010,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,884,968.88 : 100,322,582.04 = 30,008,277.80 : x
  2. Step 2: Convert to fraction form
    66,884,968.88/100,322,582.04 = 30,008,277.80/x
  3. Step 3: Cross multiply
    66,884,968.88x = 100,322,582.04 × 30,008,277.80
  4. Step 4: Simplify right side
    66,884,968.88x = 3,010,507,911,469,611
  5. Step 5: Solve for x
    x = 3,010,507,911,469,611/66,884,968.88
  6. Step 6: Final answer
    x = 45,010,231.18

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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.