Finding the Fourth Proportional to 70,325,272.84, 105,523,879.98 and 33,478,795.24
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Solution
The fourth proportional to 70,325,272.84, 105,523,879.98 and 33,478,795.24 is: 50,235,316.95
Step by Step Solution
- Step 1: Write the proportion equation
70,325,272.84 : 105,523,879.98 = 33,478,795.24 : x - Step 2: Convert to fraction form
70,325,272.84/105,523,879.98 = 33,478,795.24/x - Step 3: Cross multiply
70,325,272.84x = 105,523,879.98 × 33,478,795.24 - Step 4: Simplify right side
70,325,272.84x = 3,532,812,370,780,755.50 - Step 5: Solve for x
x = 3,532,812,370,780,755.50/70,325,272.84 - Step 6: Final answer
x = 50,235,316.95
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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.