Finding the Fourth Proportional to 146,563,337.80, 219,845,006.70 and 143,204,105.80
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Solution
The fourth proportional to 146,563,337.80, 219,845,006.70 and 143,204,105.80 is: 214,806,158.70
Step by Step Solution
- Step 1: Write the proportion equation
146,563,337.80 : 219,845,006.70 = 143,204,105.80 : x - Step 2: Convert to fraction form
146,563,337.80/219,845,006.70 = 143,204,105.80/x - Step 3: Cross multiply
146,563,337.80x = 219,845,006.70 × 143,204,105.80 - Step 4: Simplify right side
146,563,337.80x = 31,482,707,599,068,508 - Step 5: Solve for x
x = 31,482,707,599,068,508/146,563,337.80 - Step 6: Final answer
x = 214,806,158.70
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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.