Finding the Fourth Proportional to 79,782,363.34, 119,505,952.11 and 50,621,191.98
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Solution
The fourth proportional to 79,782,363.34, 119,505,952.11 and 50,621,191.98 is: 75,825,451.78
Step by Step Solution
- Step 1: Write the proportion equation
79,782,363.34 : 119,505,952.11 = 50,621,191.98 : x - Step 2: Convert to fraction form
79,782,363.34/119,505,952.11 = 50,621,191.98/x - Step 3: Cross multiply
79,782,363.34x = 119,505,952.11 × 50,621,191.98 - Step 4: Simplify right side
79,782,363.34x = 6,049,533,744,512,996 - Step 5: Solve for x
x = 6,049,533,744,512,996/79,782,363.34 - Step 6: Final answer
x = 75,825,451.78
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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.