Home / 112,308,906.60-168,463,359.90-31,529,874.60

Finding the Fourth Proportional to 112,308,906.60, 168,463,359.90 and 31,529,874.60

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Solution

The fourth proportional to 112,308,906.60, 168,463,359.90 and 31,529,874.60 is: 47,294,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,308,906.60 : 168,463,359.90 = 31,529,874.60 : x
  2. Step 2: Convert to fraction form
    112,308,906.60/168,463,359.90 = 31,529,874.60/x
  3. Step 3: Cross multiply
    112,308,906.60x = 168,463,359.90 × 31,529,874.60
  4. Step 4: Simplify right side
    112,308,906.60x = 5,311,628,612,341,669
  5. Step 5: Solve for x
    x = 5,311,628,612,341,669/112,308,906.60
  6. Step 6: Final answer
    x = 47,294,811.90

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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.