Home / 196,831,997.80-295,247,996.70-81,778,301.80

Finding the Fourth Proportional to 196,831,997.80, 295,247,996.70 and 81,778,301.80

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Solution

The fourth proportional to 196,831,997.80, 295,247,996.70 and 81,778,301.80 is: 122,667,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,831,997.80 : 295,247,996.70 = 81,778,301.80 : x
  2. Step 2: Convert to fraction form
    196,831,997.80/295,247,996.70 = 81,778,301.80/x
  3. Step 3: Cross multiply
    196,831,997.80x = 295,247,996.70 × 81,778,301.80
  4. Step 4: Simplify right side
    196,831,997.80x = 24,144,879,779,978,004
  5. Step 5: Solve for x
    x = 24,144,879,779,978,004/196,831,997.80
  6. Step 6: Final answer
    x = 122,667,452.70

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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.