Finding the Fourth Proportional to 167,296,989.38, 250,582,083.51 and 80,854,107.98
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Solution
The fourth proportional to 167,296,989.38, 250,582,083.51 and 80,854,107.98 is: 121,105,531.62
Step by Step Solution
- Step 1: Write the proportion equation
167,296,989.38 : 250,582,083.51 = 80,854,107.98 : x - Step 2: Convert to fraction form
167,296,989.38/250,582,083.51 = 80,854,107.98/x - Step 3: Cross multiply
167,296,989.38x = 250,582,083.51 × 80,854,107.98 - Step 4: Simplify right side
167,296,989.38x = 20,260,590,837,970,916 - Step 5: Solve for x
x = 20,260,590,837,970,916/167,296,989.38 - Step 6: Final answer
x = 121,105,531.62
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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.