Finding the Fourth Proportional to 193,779,251.20, 290,668,876.80 and 193,779,251.20
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Solution
The fourth proportional to 193,779,251.20, 290,668,876.80 and 193,779,251.20 is: 290,668,876.80
Step by Step Solution
- Step 1: Write the proportion equation
193,779,251.20 : 290,668,876.80 = 193,779,251.20 : x - Step 2: Convert to fraction form
193,779,251.20/290,668,876.80 = 193,779,251.20/x - Step 3: Cross multiply
193,779,251.20x = 290,668,876.80 × 193,779,251.20 - Step 4: Simplify right side
193,779,251.20x = 56,325,597,293,449,048 - Step 5: Solve for x
x = 56,325,597,293,449,048/193,779,251.20 - Step 6: Final answer
x = 290,668,876.80
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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.