Finding the Fourth Proportional to 71,027,297.20, 106,540,945.80 and 32,763,545.20
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Solution
The fourth proportional to 71,027,297.20, 106,540,945.80 and 32,763,545.20 is: 49,145,317.80
Step by Step Solution
- Step 1: Write the proportion equation
71,027,297.20 : 106,540,945.80 = 32,763,545.20 : x - Step 2: Convert to fraction form
71,027,297.20/106,540,945.80 = 32,763,545.20/x - Step 3: Cross multiply
71,027,297.20x = 106,540,945.80 × 32,763,545.20 - Step 4: Simplify right side
71,027,297.20x = 3,490,659,093,369,050 - Step 5: Solve for x
x = 3,490,659,093,369,050/71,027,297.20 - Step 6: Final answer
x = 49,145,317.80
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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.