Finding the Fourth Proportional to 64,755,586.80, 97,120,938.60 and 19,318,863.60
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Solution
The fourth proportional to 64,755,586.80, 97,120,938.60 and 19,318,863.60 is: 28,974,583.63
Step by Step Solution
- Step 1: Write the proportion equation
64,755,586.80 : 97,120,938.60 = 19,318,863.60 : x - Step 2: Convert to fraction form
64,755,586.80/97,120,938.60 = 19,318,863.60/x - Step 3: Cross multiply
64,755,586.80x = 97,120,938.60 × 19,318,863.60 - Step 4: Simplify right side
64,755,586.80x = 1,876,266,165,517,375 - Step 5: Solve for x
x = 1,876,266,165,517,375/64,755,586.80 - Step 6: Final answer
x = 28,974,583.63
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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.