Finding the Fourth Proportional to 49,506,548.52, 68,315,616.84 and 27,478,315
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Solution
The fourth proportional to 49,506,548.52, 68,315,616.84 and 27,478,315 is: 37,918,176.38
Step by Step Solution
- Step 1: Write the proportion equation
49,506,548.52 : 68,315,616.84 = 27,478,315 : x - Step 2: Convert to fraction form
49,506,548.52/68,315,616.84 = 27,478,315/x - Step 3: Cross multiply
49,506,548.52x = 68,315,616.84 × 27,478,315 - Step 4: Simplify right side
49,506,548.52x = 1,877,198,038,948,824.75 - Step 5: Solve for x
x = 1,877,198,038,948,824.75/49,506,548.52 - Step 6: Final answer
x = 37,918,176.38
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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.