Home / 61,271,811.20-91,907,716.80-27,196,601.60

Finding the Fourth Proportional to 61,271,811.20, 91,907,716.80 and 27,196,601.60

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Solution

The fourth proportional to 61,271,811.20, 91,907,716.80 and 27,196,601.60 is: 40,794,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,271,811.20 : 91,907,716.80 = 27,196,601.60 : x
  2. Step 2: Convert to fraction form
    61,271,811.20/91,907,716.80 = 27,196,601.60/x
  3. Step 3: Cross multiply
    61,271,811.20x = 91,907,716.80 × 27,196,601.60
  4. Step 4: Simplify right side
    61,271,811.20x = 2,499,577,557,775,227
  5. Step 5: Solve for x
    x = 2,499,577,557,775,227/61,271,811.20
  6. Step 6: Final answer
    x = 40,794,902.40

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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.