Finding the Fourth Proportional to 48,801,163.40, 73,201,745.10 and 20,032,490.60
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Solution
The fourth proportional to 48,801,163.40, 73,201,745.10 and 20,032,490.60 is: 30,048,735.90
Step by Step Solution
- Step 1: Write the proportion equation
48,801,163.40 : 73,201,745.10 = 20,032,490.60 : x - Step 2: Convert to fraction form
48,801,163.40/73,201,745.10 = 20,032,490.60/x - Step 3: Cross multiply
48,801,163.40x = 73,201,745.10 × 20,032,490.60 - Step 4: Simplify right side
48,801,163.40x = 1,466,413,270,619,346 - Step 5: Solve for x
x = 1,466,413,270,619,346/48,801,163.40 - Step 6: Final answer
x = 30,048,735.90
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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.