Finding the Fourth Proportional to 311,052,011.80, 466,578,017.70 and 106,512,107.80
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Solution
The fourth proportional to 311,052,011.80, 466,578,017.70 and 106,512,107.80 is: 159,768,161.70
Step by Step Solution
- Step 1: Write the proportion equation
311,052,011.80 : 466,578,017.70 = 106,512,107.80 : x - Step 2: Convert to fraction form
311,052,011.80/466,578,017.70 = 106,512,107.80/x - Step 3: Cross multiply
311,052,011.80x = 466,578,017.70 × 106,512,107.80 - Step 4: Simplify right side
311,052,011.80x = 49,696,208,118,372,704 - Step 5: Solve for x
x = 49,696,208,118,372,704/311,052,011.80 - Step 6: Final answer
x = 159,768,161.70
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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.