Finding the Fourth Proportional to 193,428,283.80, 290,142,425.70 and 168,234,043.80
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Solution
The fourth proportional to 193,428,283.80, 290,142,425.70 and 168,234,043.80 is: 252,351,065.70
Step by Step Solution
- Step 1: Write the proportion equation
193,428,283.80 : 290,142,425.70 = 168,234,043.80 : x - Step 2: Convert to fraction form
193,428,283.80/290,142,425.70 = 168,234,043.80/x - Step 3: Cross multiply
193,428,283.80x = 290,142,425.70 × 168,234,043.80 - Step 4: Simplify right side
193,428,283.80x = 48,811,833,553,452,048 - Step 5: Solve for x
x = 48,811,833,553,452,048/193,428,283.80 - Step 6: Final answer
x = 252,351,065.70
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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.