Home / 112,308,911.60-168,463,367.40-31,529,879.60

Finding the Fourth Proportional to 112,308,911.60, 168,463,367.40 and 31,529,879.60

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Solution

The fourth proportional to 112,308,911.60, 168,463,367.40 and 31,529,879.60 is: 47,294,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,308,911.60 : 168,463,367.40 = 31,529,879.60 : x
  2. Step 2: Convert to fraction form
    112,308,911.60/168,463,367.40 = 31,529,879.60/x
  3. Step 3: Cross multiply
    112,308,911.60x = 168,463,367.40 × 31,529,879.60
  4. Step 4: Simplify right side
    112,308,911.60x = 5,311,629,691,132,565
  5. Step 5: Solve for x
    x = 5,311,629,691,132,565/112,308,911.60
  6. Step 6: Final answer
    x = 47,294,819.40

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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.