Finding the Fourth Proportional to 49,397,312.85, 68,168,224.66 and 27,372,238.76
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Solution
The fourth proportional to 49,397,312.85, 68,168,224.66 and 27,372,238.76 is: 37,773,652.32
Step by Step Solution
- Step 1: Write the proportion equation
49,397,312.85 : 68,168,224.66 = 27,372,238.76 : x - Step 2: Convert to fraction form
49,397,312.85/68,168,224.66 = 27,372,238.76/x - Step 3: Cross multiply
49,397,312.85x = 68,168,224.66 × 27,372,238.76 - Step 4: Simplify right side
49,397,312.85x = 1,865,916,921,238,839.75 - Step 5: Solve for x
x = 1,865,916,921,238,839.75/49,397,312.85 - Step 6: Final answer
x = 37,773,652.32
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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.