Finding the Fourth Proportional to 71,672,473.70, 107,440,601.42 and 45,691,846.82
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Solution
The fourth proportional to 71,672,473.70, 107,440,601.42 and 45,691,846.82 is: 68,494,350.05
Step by Step Solution
- Step 1: Write the proportion equation
71,672,473.70 : 107,440,601.42 = 45,691,846.82 : x - Step 2: Convert to fraction form
71,672,473.70/107,440,601.42 = 45,691,846.82/x - Step 3: Cross multiply
71,672,473.70x = 107,440,601.42 × 45,691,846.82 - Step 4: Simplify right side
71,672,473.70x = 4,909,159,502,331,315 - Step 5: Solve for x
x = 4,909,159,502,331,315/71,672,473.70 - Step 6: Final answer
x = 68,494,350.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.