Home / 74,395,825.20-111,394,672.20-47,322,903.60

Finding the Fourth Proportional to 74,395,825.20, 111,394,672.20 and 47,322,903.60

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Solution

The fourth proportional to 74,395,825.20, 111,394,672.20 and 47,322,903.60 is: 70,857,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,395,825.20 : 111,394,672.20 = 47,322,903.60 : x
  2. Step 2: Convert to fraction form
    74,395,825.20/111,394,672.20 = 47,322,903.60/x
  3. Step 3: Cross multiply
    74,395,825.20x = 111,394,672.20 × 47,322,903.60
  4. Step 4: Simplify right side
    74,395,825.20x = 5,271,519,334,074,200
  5. Step 5: Solve for x
    x = 5,271,519,334,074,200/74,395,825.20
  6. Step 6: Final answer
    x = 70,857,730.52

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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.