Finding the Fourth Proportional to 107,531,415.87, 161,252,655.60 and 33,730,579.41
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Solution
The fourth proportional to 107,531,415.87, 161,252,655.60 and 33,730,579.41 is: 50,581,920.27
Step by Step Solution
- Step 1: Write the proportion equation
107,531,415.87 : 161,252,655.60 = 33,730,579.41 : x - Step 2: Convert to fraction form
107,531,415.87/161,252,655.60 = 33,730,579.41/x - Step 3: Cross multiply
107,531,415.87x = 161,252,655.60 × 33,730,579.41 - Step 4: Simplify right side
107,531,415.87x = 5,439,145,504,216,190 - Step 5: Solve for x
x = 5,439,145,504,216,190/107,531,415.87 - Step 6: Final answer
x = 50,581,920.27
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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.