Finding the Fourth Proportional to 88,994,737.60, 133,492,106.40 and 82,759,163.20
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Solution
The fourth proportional to 88,994,737.60, 133,492,106.40 and 82,759,163.20 is: 124,138,744.80
Step by Step Solution
- Step 1: Write the proportion equation
88,994,737.60 : 133,492,106.40 = 82,759,163.20 : x - Step 2: Convert to fraction form
88,994,737.60/133,492,106.40 = 82,759,163.20/x - Step 3: Cross multiply
88,994,737.60x = 133,492,106.40 × 82,759,163.20 - Step 4: Simplify right side
88,994,737.60x = 11,047,695,019,469,366 - Step 5: Solve for x
x = 11,047,695,019,469,366/88,994,737.60 - Step 6: Final answer
x = 124,138,744.80
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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.