Home / 47,504,003.80-71,256,005.70-20,630,147.80

Finding the Fourth Proportional to 47,504,003.80, 71,256,005.70 and 20,630,147.80

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Solution

The fourth proportional to 47,504,003.80, 71,256,005.70 and 20,630,147.80 is: 30,945,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,504,003.80 : 71,256,005.70 = 20,630,147.80 : x
  2. Step 2: Convert to fraction form
    47,504,003.80/71,256,005.70 = 20,630,147.80/x
  3. Step 3: Cross multiply
    47,504,003.80x = 71,256,005.70 × 20,630,147.80
  4. Step 4: Simplify right side
    47,504,003.80x = 1,470,021,929,228,642.50
  5. Step 5: Solve for x
    x = 1,470,021,929,228,642.50/47,504,003.80
  6. Step 6: Final answer
    x = 30,945,221.70

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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.