Home / 120,181,016.40-180,271,524.60-112,118,859.60

Finding the Fourth Proportional to 120,181,016.40, 180,271,524.60 and 112,118,859.60

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Solution

The fourth proportional to 120,181,016.40, 180,271,524.60 and 112,118,859.60 is: 168,178,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,181,016.40 : 180,271,524.60 = 112,118,859.60 : x
  2. Step 2: Convert to fraction form
    120,181,016.40/180,271,524.60 = 112,118,859.60/x
  3. Step 3: Cross multiply
    120,181,016.40x = 180,271,524.60 × 112,118,859.60
  4. Step 4: Simplify right side
    120,181,016.40x = 20,211,837,756,505,344
  5. Step 5: Solve for x
    x = 20,211,837,756,505,344/120,181,016.40
  6. Step 6: Final answer
    x = 168,178,289.40

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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.