Finding the Fourth Proportional to 175,877,410.20, 263,816,115.30 and 129,960,907.80
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Solution
The fourth proportional to 175,877,410.20, 263,816,115.30 and 129,960,907.80 is: 194,941,361.70
Step by Step Solution
- Step 1: Write the proportion equation
175,877,410.20 : 263,816,115.30 = 129,960,907.80 : x - Step 2: Convert to fraction form
175,877,410.20/263,816,115.30 = 129,960,907.80/x - Step 3: Cross multiply
175,877,410.20x = 263,816,115.30 × 129,960,907.80 - Step 4: Simplify right side
175,877,410.20x = 34,285,781,836,657,472 - Step 5: Solve for x
x = 34,285,781,836,657,472/175,877,410.20 - Step 6: Final answer
x = 194,941,361.70
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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.