Finding the Fourth Proportional to 71,852,415.24, 99,156,369.24 and 38,812,662.66
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Solution
The fourth proportional to 71,852,415.24, 99,156,369.24 and 38,812,662.66 is: 53,561,494.03
Step by Step Solution
- Step 1: Write the proportion equation
71,852,415.24 : 99,156,369.24 = 38,812,662.66 : x - Step 2: Convert to fraction form
71,852,415.24/99,156,369.24 = 38,812,662.66/x - Step 3: Cross multiply
71,852,415.24x = 99,156,369.24 × 38,812,662.66 - Step 4: Simplify right side
71,852,415.24x = 3,848,522,709,902,520 - Step 5: Solve for x
x = 3,848,522,709,902,520/71,852,415.24 - Step 6: Final answer
x = 53,561,494.03
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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.