Home / 112,354,014.40-168,531,021.60-31,574,982.40

Finding the Fourth Proportional to 112,354,014.40, 168,531,021.60 and 31,574,982.40

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Solution

The fourth proportional to 112,354,014.40, 168,531,021.60 and 31,574,982.40 is: 47,362,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,354,014.40 : 168,531,021.60 = 31,574,982.40 : x
  2. Step 2: Convert to fraction form
    112,354,014.40/168,531,021.60 = 31,574,982.40/x
  3. Step 3: Cross multiply
    112,354,014.40x = 168,531,021.60 × 31,574,982.40
  4. Step 4: Simplify right side
    112,354,014.40x = 5,321,364,040,874,019
  5. Step 5: Solve for x
    x = 5,321,364,040,874,019/112,354,014.40
  6. Step 6: Final answer
    x = 47,362,473.60

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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.