Home / 291,101,998.40-436,652,997.60-97,019,745.20

Finding the Fourth Proportional to 291,101,998.40, 436,652,997.60 and 97,019,745.20

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Solution

The fourth proportional to 291,101,998.40, 436,652,997.60 and 97,019,745.20 is: 145,529,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,101,998.40 : 436,652,997.60 = 97,019,745.20 : x
  2. Step 2: Convert to fraction form
    291,101,998.40/436,652,997.60 = 97,019,745.20/x
  3. Step 3: Cross multiply
    291,101,998.40x = 436,652,997.60 × 97,019,745.20
  4. Step 4: Simplify right side
    291,101,998.40x = 42,363,962,567,968,216
  5. Step 5: Solve for x
    x = 42,363,962,567,968,216/291,101,998.40
  6. Step 6: Final answer
    x = 145,529,617.80

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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.