Finding the Fourth Proportional to 195,068,800.80, 292,603,201.20 and 80,135,827.20
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Solution
The fourth proportional to 195,068,800.80, 292,603,201.20 and 80,135,827.20 is: 120,203,740.80
Step by Step Solution
- Step 1: Write the proportion equation
195,068,800.80 : 292,603,201.20 = 80,135,827.20 : x - Step 2: Convert to fraction form
195,068,800.80/292,603,201.20 = 80,135,827.20/x - Step 3: Cross multiply
195,068,800.80x = 292,603,201.20 × 80,135,827.20 - Step 4: Simplify right side
195,068,800.80x = 23,447,999,569,530,032 - Step 5: Solve for x
x = 23,447,999,569,530,032/195,068,800.80 - Step 6: Final answer
x = 120,203,740.80
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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.