Home / 36,090,436,890.72-54,135,580,900.26-20,362,121,611.68

Finding the Fourth Proportional to 36,090,436,890.72, 54,135,580,900.26 and 20,362,121,611.68

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Solution

The fourth proportional to 36,090,436,890.72, 54,135,580,900.26 and 20,362,121,611.68 is: 30,543,140,421.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090,436,890.72 : 54,135,580,900.26 = 20,362,121,611.68 : x
  2. Step 2: Convert to fraction form
    36,090,436,890.72/54,135,580,900.26 = 20,362,121,611.68/x
  3. Step 3: Cross multiply
    36,090,436,890.72x = 54,135,580,900.26 × 20,362,121,611.68
  4. Step 4: Simplify right side
    36,090,436,890.72x = 1,102,315,281,810,035,179,520
  5. Step 5: Solve for x
    x = 1,102,315,281,810,035,179,520/36,090,436,890.72
  6. Step 6: Final answer
    x = 30,543,140,421.04

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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.