Finding the Fourth Proportional to 262,224,137.70, 393,336,206.55 and 160,187,465.70
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Solution
The fourth proportional to 262,224,137.70, 393,336,206.55 and 160,187,465.70 is: 240,281,198.55
Step by Step Solution
- Step 1: Write the proportion equation
262,224,137.70 : 393,336,206.55 = 160,187,465.70 : x - Step 2: Convert to fraction form
262,224,137.70/393,336,206.55 = 160,187,465.70/x - Step 3: Cross multiply
262,224,137.70x = 393,336,206.55 × 160,187,465.70 - Step 4: Simplify right side
262,224,137.70x = 63,007,530,095,296,240 - Step 5: Solve for x
x = 63,007,530,095,296,240/262,224,137.70 - Step 6: Final answer
x = 240,281,198.55
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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.