Finding the Fourth Proportional to 203,472,901.40, 305,209,352.10 and 195,536,715.80
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Solution
The fourth proportional to 203,472,901.40, 305,209,352.10 and 195,536,715.80 is: 293,305,073.70
Step by Step Solution
- Step 1: Write the proportion equation
203,472,901.40 : 305,209,352.10 = 195,536,715.80 : x - Step 2: Convert to fraction form
203,472,901.40/305,209,352.10 = 195,536,715.80/x - Step 3: Cross multiply
203,472,901.40x = 305,209,352.10 × 195,536,715.80 - Step 4: Simplify right side
203,472,901.40x = 59,679,634,341,079,840 - Step 5: Solve for x
x = 59,679,634,341,079,840/203,472,901.40 - Step 6: Final answer
x = 293,305,073.70
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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.