Home / 31,006,608.20-46,509,912.30-20,236,070.60

Finding the Fourth Proportional to 31,006,608.20, 46,509,912.30 and 20,236,070.60

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Solution

The fourth proportional to 31,006,608.20, 46,509,912.30 and 20,236,070.60 is: 30,354,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,006,608.20 : 46,509,912.30 = 20,236,070.60 : x
  2. Step 2: Convert to fraction form
    31,006,608.20/46,509,912.30 = 20,236,070.60/x
  3. Step 3: Cross multiply
    31,006,608.20x = 46,509,912.30 × 20,236,070.60
  4. Step 4: Simplify right side
    31,006,608.20x = 941,177,868,902,608.38
  5. Step 5: Solve for x
    x = 941,177,868,902,608.38/31,006,608.20
  6. Step 6: Final answer
    x = 30,354,105.90

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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.