Finding the Fourth Proportional to 146,737,934.70, 220,106,902.05 and 144,470,453.10
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Solution
The fourth proportional to 146,737,934.70, 220,106,902.05 and 144,470,453.10 is: 216,705,679.65
Step by Step Solution
- Step 1: Write the proportion equation
146,737,934.70 : 220,106,902.05 = 144,470,453.10 : x - Step 2: Convert to fraction form
146,737,934.70/220,106,902.05 = 144,470,453.10/x - Step 3: Cross multiply
146,737,934.70x = 220,106,902.05 × 144,470,453.10 - Step 4: Simplify right side
146,737,934.70x = 31,798,943,869,600,820 - Step 5: Solve for x
x = 31,798,943,869,600,820/146,737,934.70 - Step 6: Final answer
x = 216,705,679.65
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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.