Finding the Fourth Proportional to 75,957,660.63, 113,936,492.34 and 18,449,544.24
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Solution
The fourth proportional to 75,957,660.63, 113,936,492.34 and 18,449,544.24 is: 27,674,316.70
Step by Step Solution
- Step 1: Write the proportion equation
75,957,660.63 : 113,936,492.34 = 18,449,544.24 : x - Step 2: Convert to fraction form
75,957,660.63/113,936,492.34 = 18,449,544.24/x - Step 3: Cross multiply
75,957,660.63x = 113,936,492.34 × 18,449,544.24 - Step 4: Simplify right side
75,957,660.63x = 2,102,076,355,977,251 - Step 5: Solve for x
x = 2,102,076,355,977,251/75,957,660.63 - Step 6: Final answer
x = 27,674,316.70
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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.