Finding the Fourth Proportional to 97,027,803.20, 145,541,704.80 and 48,513,144.80
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Solution
The fourth proportional to 97,027,803.20, 145,541,704.80 and 48,513,144.80 is: 72,769,717.20
Step by Step Solution
- Step 1: Write the proportion equation
97,027,803.20 : 145,541,704.80 = 48,513,144.80 : x - Step 2: Convert to fraction form
97,027,803.20/145,541,704.80 = 48,513,144.80/x - Step 3: Cross multiply
97,027,803.20x = 145,541,704.80 × 48,513,144.80 - Step 4: Simplify right side
97,027,803.20x = 7,060,685,799,401,255 - Step 5: Solve for x
x = 7,060,685,799,401,255/97,027,803.20 - Step 6: Final answer
x = 72,769,717.20
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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.