Finding the Fourth Proportional to 46,492,872.72, 64,133,447.16 and 29,058,961.68
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Solution
The fourth proportional to 46,492,872.72, 64,133,447.16 and 29,058,961.68 is: 40,084,668.35
Step by Step Solution
- Step 1: Write the proportion equation
46,492,872.72 : 64,133,447.16 = 29,058,961.68 : x - Step 2: Convert to fraction form
46,492,872.72/64,133,447.16 = 29,058,961.68/x - Step 3: Cross multiply
46,492,872.72x = 64,133,447.16 × 29,058,961.68 - Step 4: Simplify right side
46,492,872.72x = 1,863,651,383,428,744.75 - Step 5: Solve for x
x = 1,863,651,383,428,744.75/46,492,872.72 - Step 6: Final answer
x = 40,084,668.35
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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.