Home / 36,090,436,889.72-54,135,580,898.76-20,362,121,610.68

Finding the Fourth Proportional to 36,090,436,889.72, 54,135,580,898.76 and 20,362,121,610.68

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Solution

The fourth proportional to 36,090,436,889.72, 54,135,580,898.76 and 20,362,121,610.68 is: 30,543,140,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,090,436,889.72 : 54,135,580,898.76 = 20,362,121,610.68 : x
  2. Step 2: Convert to fraction form
    36,090,436,889.72/54,135,580,898.76 = 20,362,121,610.68/x
  3. Step 3: Cross multiply
    36,090,436,889.72x = 54,135,580,898.76 × 20,362,121,610.68
  4. Step 4: Simplify right side
    36,090,436,889.72x = 1,102,315,281,725,356,507,136
  5. Step 5: Solve for x
    x = 1,102,315,281,725,356,507,136/36,090,436,889.72
  6. Step 6: Final answer
    x = 30,543,140,419.54

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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.