Finding the Fourth Proportional to 173,815,874.70, 260,723,812.05 and 154,668,252.30
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Solution
The fourth proportional to 173,815,874.70, 260,723,812.05 and 154,668,252.30 is: 232,002,378.45
Step by Step Solution
- Step 1: Write the proportion equation
173,815,874.70 : 260,723,812.05 = 154,668,252.30 : x - Step 2: Convert to fraction form
173,815,874.70/260,723,812.05 = 154,668,252.30/x - Step 3: Cross multiply
173,815,874.70x = 260,723,812.05 × 154,668,252.30 - Step 4: Simplify right side
173,815,874.70x = 40,325,696,342,767,184 - Step 5: Solve for x
x = 40,325,696,342,767,184/173,815,874.70 - Step 6: Final answer
x = 232,002,378.45
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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.