Home / 111,991,450.40-167,987,175.60-31,212,418.40

Finding the Fourth Proportional to 111,991,450.40, 167,987,175.60 and 31,212,418.40

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Solution

The fourth proportional to 111,991,450.40, 167,987,175.60 and 31,212,418.40 is: 46,818,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,991,450.40 : 167,987,175.60 = 31,212,418.40 : x
  2. Step 2: Convert to fraction form
    111,991,450.40/167,987,175.60 = 31,212,418.40/x
  3. Step 3: Cross multiply
    111,991,450.40x = 167,987,175.60 × 31,212,418.40
  4. Step 4: Simplify right side
    111,991,450.40x = 5,243,286,010,661,471
  5. Step 5: Solve for x
    x = 5,243,286,010,661,471/111,991,450.40
  6. Step 6: Final answer
    x = 46,818,627.60

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1.5x scale

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.