Finding the Fourth Proportional to 177,163,318.30, 265,744,977.45 and 159,306,900.70
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Solution
The fourth proportional to 177,163,318.30, 265,744,977.45 and 159,306,900.70 is: 238,960,351.05
Step by Step Solution
- Step 1: Write the proportion equation
177,163,318.30 : 265,744,977.45 = 159,306,900.70 : x - Step 2: Convert to fraction form
177,163,318.30/265,744,977.45 = 159,306,900.70/x - Step 3: Cross multiply
177,163,318.30x = 265,744,977.45 × 159,306,900.70 - Step 4: Simplify right side
177,163,318.30x = 42,335,008,734,150,888 - Step 5: Solve for x
x = 42,335,008,734,150,888/177,163,318.30 - Step 6: Final answer
x = 238,960,351.05
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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.