Home / 111,100,672.80-166,651,009.20-30,329,805.60

Finding the Fourth Proportional to 111,100,672.80, 166,651,009.20 and 30,329,805.60

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Solution

The fourth proportional to 111,100,672.80, 166,651,009.20 and 30,329,805.60 is: 45,494,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,100,672.80 : 166,651,009.20 = 30,329,805.60 : x
  2. Step 2: Convert to fraction form
    111,100,672.80/166,651,009.20 = 30,329,805.60/x
  3. Step 3: Cross multiply
    111,100,672.80x = 166,651,009.20 × 30,329,805.60
  4. Step 4: Simplify right side
    111,100,672.80x = 5,054,492,712,079,811
  5. Step 5: Solve for x
    x = 5,054,492,712,079,811/111,100,672.80
  6. Step 6: Final answer
    x = 45,494,708.40

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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.