Finding the Fourth Proportional to 74,913,554.70, 112,377,816.45 and 20,327,006.70
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Solution
The fourth proportional to 74,913,554.70, 112,377,816.45 and 20,327,006.70 is: 30,492,540.86
Step by Step Solution
- Step 1: Write the proportion equation
74,913,554.70 : 112,377,816.45 = 20,327,006.70 : x - Step 2: Convert to fraction form
74,913,554.70/112,377,816.45 = 20,327,006.70/x - Step 3: Cross multiply
74,913,554.70x = 112,377,816.45 × 20,327,006.70 - Step 4: Simplify right side
74,913,554.70x = 2,284,304,627,910,520 - Step 5: Solve for x
x = 2,284,304,627,910,520/74,913,554.70 - Step 6: Final answer
x = 30,492,540.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.