Finding the Fourth Proportional to 206,569,759.40, 285,044,595.68 and 117,233,254.60
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Solution
The fourth proportional to 206,569,759.40, 285,044,595.68 and 117,233,254.60 is: 161,769,591.81
Step by Step Solution
- Step 1: Write the proportion equation
206,569,759.40 : 285,044,595.68 = 117,233,254.60 : x - Step 2: Convert to fraction form
206,569,759.40/285,044,595.68 = 117,233,254.60/x - Step 3: Cross multiply
206,569,759.40x = 285,044,595.68 × 117,233,254.60 - Step 4: Simplify right side
206,569,759.40x = 33,416,705,657,707,500 - Step 5: Solve for x
x = 33,416,705,657,707,500/206,569,759.40 - Step 6: Final answer
x = 161,769,591.81
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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.