Finding the Fourth Proportional to 121,344,372.30, 182,016,558.45 and 44,651,531.10
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Solution
The fourth proportional to 121,344,372.30, 182,016,558.45 and 44,651,531.10 is: 66,977,296.65
Step by Step Solution
- Step 1: Write the proportion equation
121,344,372.30 : 182,016,558.45 = 44,651,531.10 : x - Step 2: Convert to fraction form
121,344,372.30/182,016,558.45 = 44,651,531.10/x - Step 3: Cross multiply
121,344,372.30x = 182,016,558.45 × 44,651,531.10 - Step 4: Simplify right side
121,344,372.30x = 8,127,318,020,345,143 - Step 5: Solve for x
x = 8,127,318,020,345,143/121,344,372.30 - Step 6: Final answer
x = 66,977,296.65
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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.