Finding the Fourth Proportional to 173,877,629.40, 260,816,444.10 and 130,512,043.80
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Solution
The fourth proportional to 173,877,629.40, 260,816,444.10 and 130,512,043.80 is: 195,768,065.70
Step by Step Solution
- Step 1: Write the proportion equation
173,877,629.40 : 260,816,444.10 = 130,512,043.80 : x - Step 2: Convert to fraction form
173,877,629.40/260,816,444.10 = 130,512,043.80/x - Step 3: Cross multiply
173,877,629.40x = 260,816,444.10 × 130,512,043.80 - Step 4: Simplify right side
173,877,629.40x = 34,039,687,176,139,452 - Step 5: Solve for x
x = 34,039,687,176,139,452/173,877,629.40 - Step 6: Final answer
x = 195,768,065.70
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1.5x scale
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.