Finding the Fourth Proportional to 203,472,945.40, 305,209,418.10 and 195,536,759.80
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Solution
The fourth proportional to 203,472,945.40, 305,209,418.10 and 195,536,759.80 is: 293,305,139.70
Step by Step Solution
- Step 1: Write the proportion equation
203,472,945.40 : 305,209,418.10 = 195,536,759.80 : x - Step 2: Convert to fraction form
203,472,945.40/305,209,418.10 = 195,536,759.80/x - Step 3: Cross multiply
203,472,945.40x = 305,209,418.10 × 195,536,759.80 - Step 4: Simplify right side
203,472,945.40x = 59,679,660,675,717,480 - Step 5: Solve for x
x = 59,679,660,675,717,480/203,472,945.40 - Step 6: Final answer
x = 293,305,139.70
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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.