Home / 112,325,858.40-168,404,806.80-47,576,661.60

Finding the Fourth Proportional to 112,325,858.40, 168,404,806.80 and 47,576,661.60

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Solution

The fourth proportional to 112,325,858.40, 168,404,806.80 and 47,576,661.60 is: 71,329,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,325,858.40 : 168,404,806.80 = 47,576,661.60 : x
  2. Step 2: Convert to fraction form
    112,325,858.40/168,404,806.80 = 47,576,661.60/x
  3. Step 3: Cross multiply
    112,325,858.40x = 168,404,806.80 × 47,576,661.60
  4. Step 4: Simplify right side
    112,325,858.40x = 8,012,138,504,936,980
  5. Step 5: Solve for x
    x = 8,012,138,504,936,980/112,325,858.40
  6. Step 6: Final answer
    x = 71,329,421.55

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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.