Home / 49,147,003.80-73,714,600.80-20,390,140.80

Finding the Fourth Proportional to 49,147,003.80, 73,714,600.80 and 20,390,140.80

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Solution

The fourth proportional to 49,147,003.80, 73,714,600.80 and 20,390,140.80 is: 30,582,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,147,003.80 : 73,714,600.80 = 20,390,140.80 : x
  2. Step 2: Convert to fraction form
    49,147,003.80/73,714,600.80 = 20,390,140.80/x
  3. Step 3: Cross multiply
    49,147,003.80x = 73,714,600.80 × 20,390,140.80
  4. Step 4: Simplify right side
    49,147,003.80x = 1,503,051,089,327,792.75
  5. Step 5: Solve for x
    x = 1,503,051,089,327,792.75/49,147,003.80
  6. Step 6: Final answer
    x = 30,582,761.37

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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.