Finding the Fourth Proportional to 377,943,981.75, 521,562,702.11 and 204,103,725.75
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Solution
The fourth proportional to 377,943,981.75, 521,562,702.11 and 204,103,725.75 is: 281,663,145.47
Step by Step Solution
- Step 1: Write the proportion equation
377,943,981.75 : 521,562,702.11 = 204,103,725.75 : x - Step 2: Convert to fraction form
377,943,981.75/521,562,702.11 = 204,103,725.75/x - Step 3: Cross multiply
377,943,981.75x = 521,562,702.11 × 204,103,725.75 - Step 4: Simplify right side
377,943,981.75x = 106,452,890,711,867,872 - Step 5: Solve for x
x = 106,452,890,711,867,872/377,943,981.75 - Step 6: Final answer
x = 281,663,145.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.