Finding the Fourth Proportional to 71,027,132.70, 106,540,699.05 and 32,763,380.70
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Solution
The fourth proportional to 71,027,132.70, 106,540,699.05 and 32,763,380.70 is: 49,145,071.05
Step by Step Solution
- Step 1: Write the proportion equation
71,027,132.70 : 106,540,699.05 = 32,763,380.70 : x - Step 2: Convert to fraction form
71,027,132.70/106,540,699.05 = 32,763,380.70/x - Step 3: Cross multiply
71,027,132.70x = 106,540,699.05 × 32,763,380.70 - Step 4: Simplify right side
71,027,132.70x = 3,490,633,483,019,278 - Step 5: Solve for x
x = 3,490,633,483,019,278/71,027,132.70 - Step 6: Final answer
x = 49,145,071.05
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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.