Finding the Fourth Proportional to 203,473,207.40, 305,209,811.10 and 195,537,021.80
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Solution
The fourth proportional to 203,473,207.40, 305,209,811.10 and 195,537,021.80 is: 293,305,532.70
Step by Step Solution
- Step 1: Write the proportion equation
203,473,207.40 : 305,209,811.10 = 195,537,021.80 : x - Step 2: Convert to fraction form
203,473,207.40/305,209,811.10 = 195,537,021.80/x - Step 3: Cross multiply
203,473,207.40x = 305,209,811.10 × 195,537,021.80 - Step 4: Simplify right side
203,473,207.40x = 59,679,817,486,634,592 - Step 5: Solve for x
x = 59,679,817,486,634,592/203,473,207.40 - Step 6: Final answer
x = 293,305,532.70
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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.