Home / 112,125,813.60-168,188,720.40-110,236,245.60

Finding the Fourth Proportional to 112,125,813.60, 168,188,720.40 and 110,236,245.60

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Solution

The fourth proportional to 112,125,813.60, 168,188,720.40 and 110,236,245.60 is: 165,354,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,125,813.60 : 168,188,720.40 = 110,236,245.60 : x
  2. Step 2: Convert to fraction form
    112,125,813.60/168,188,720.40 = 110,236,245.60/x
  3. Step 3: Cross multiply
    112,125,813.60x = 168,188,720.40 × 110,236,245.60
  4. Step 4: Simplify right side
    112,125,813.60x = 18,540,493,089,164,128
  5. Step 5: Solve for x
    x = 18,540,493,089,164,128/112,125,813.60
  6. Step 6: Final answer
    x = 165,354,368.40

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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.