Finding the Fourth Proportional to 297,816,125.80, 446,724,188.70 and 144,761,117.80
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Solution
The fourth proportional to 297,816,125.80, 446,724,188.70 and 144,761,117.80 is: 217,141,676.70
Step by Step Solution
- Step 1: Write the proportion equation
297,816,125.80 : 446,724,188.70 = 144,761,117.80 : x - Step 2: Convert to fraction form
297,816,125.80/446,724,188.70 = 144,761,117.80/x - Step 3: Cross multiply
297,816,125.80x = 446,724,188.70 × 144,761,117.80 - Step 4: Simplify right side
297,816,125.80x = 64,668,292,904,510,136 - Step 5: Solve for x
x = 64,668,292,904,510,136/297,816,125.80 - Step 6: Final answer
x = 217,141,676.70
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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.