Finding the Fourth Proportional to 220,824,869.18, 304,737,398.60 and 121,705,380.02
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Solution
The fourth proportional to 220,824,869.18, 304,737,398.60 and 121,705,380.02 is: 167,952,916.89
Step by Step Solution
- Step 1: Write the proportion equation
220,824,869.18 : 304,737,398.60 = 121,705,380.02 : x - Step 2: Convert to fraction form
220,824,869.18/304,737,398.60 = 121,705,380.02/x - Step 3: Cross multiply
220,824,869.18x = 304,737,398.60 × 121,705,380.02 - Step 4: Simplify right side
220,824,869.18x = 37,088,180,901,699,792 - Step 5: Solve for x
x = 37,088,180,901,699,792/220,824,869.18 - Step 6: Final answer
x = 167,952,916.89
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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.