Finding the Fourth Proportional to 193,913,866.20, 291,029,429.70 and 192,402,211.80
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Solution
The fourth proportional to 193,913,866.20, 291,029,429.70 and 192,402,211.80 is: 288,760,711.50
Step by Step Solution
- Step 1: Write the proportion equation
193,913,866.20 : 291,029,429.70 = 192,402,211.80 : x - Step 2: Convert to fraction form
193,913,866.20/291,029,429.70 = 192,402,211.80/x - Step 3: Cross multiply
193,913,866.20x = 291,029,429.70 × 192,402,211.80 - Step 4: Simplify right side
193,913,866.20x = 55,994,705,973,172,608 - Step 5: Solve for x
x = 55,994,705,973,172,608/193,913,866.20 - Step 6: Final answer
x = 288,760,711.50
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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.