Finding the Fourth Proportional to 203,596,368.60, 305,394,552.90 and 188,815,747.80
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Solution
The fourth proportional to 203,596,368.60, 305,394,552.90 and 188,815,747.80 is: 283,223,621.70
Step by Step Solution
- Step 1: Write the proportion equation
203,596,368.60 : 305,394,552.90 = 188,815,747.80 : x - Step 2: Convert to fraction form
203,596,368.60/305,394,552.90 = 188,815,747.80/x - Step 3: Cross multiply
203,596,368.60x = 305,394,552.90 × 188,815,747.80 - Step 4: Simplify right side
203,596,368.60x = 57,663,300,879,860,160 - Step 5: Solve for x
x = 57,663,300,879,860,160/203,596,368.60 - Step 6: Final answer
x = 283,223,621.70
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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.