Finding the Fourth Proportional to 199,946,715.21, 275,859,639.63 and 116,297,088.99
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Solution
The fourth proportional to 199,946,715.21, 275,859,639.63 and 116,297,088.99 is: 160,451,113.31
Step by Step Solution
- Step 1: Write the proportion equation
199,946,715.21 : 275,859,639.63 = 116,297,088.99 : x - Step 2: Convert to fraction form
199,946,715.21/275,859,639.63 = 116,297,088.99/x - Step 3: Cross multiply
199,946,715.21x = 275,859,639.63 × 116,297,088.99 - Step 4: Simplify right side
199,946,715.21x = 32,081,673,058,799,440 - Step 5: Solve for x
x = 32,081,673,058,799,440/199,946,715.21 - Step 6: Final answer
x = 160,451,113.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.