Finding the Fourth Proportional to 82,808,408.96, 114,276,072.48 and 48,021,753.68
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Solution
The fourth proportional to 82,808,408.96, 114,276,072.48 and 48,021,753.68 is: 66,270,291.54
Step by Step Solution
- Step 1: Write the proportion equation
82,808,408.96 : 114,276,072.48 = 48,021,753.68 : x - Step 2: Convert to fraction form
82,808,408.96/114,276,072.48 = 48,021,753.68/x - Step 3: Cross multiply
82,808,408.96x = 114,276,072.48 × 48,021,753.68 - Step 4: Simplify right side
82,808,408.96x = 5,487,737,404,152,387 - Step 5: Solve for x
x = 5,487,737,404,152,387/82,808,408.96 - Step 6: Final answer
x = 66,270,291.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.