Finding the Fourth Proportional to 71,773,083.70, 107,659,625.55 and 33,509,331.70
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Solution
The fourth proportional to 71,773,083.70, 107,659,625.55 and 33,509,331.70 is: 50,263,997.55
Step by Step Solution
- Step 1: Write the proportion equation
71,773,083.70 : 107,659,625.55 = 33,509,331.70 : x - Step 2: Convert to fraction form
71,773,083.70/107,659,625.55 = 33,509,331.70/x - Step 3: Cross multiply
71,773,083.70x = 107,659,625.55 × 33,509,331.70 - Step 4: Simplify right side
71,773,083.70x = 3,607,602,103,252,745 - Step 5: Solve for x
x = 3,607,602,103,252,745/71,773,083.70 - Step 6: Final answer
x = 50,263,997.55
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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.