Finding the Fourth Proportional to 54,487,212.40, 81,690,140.40 and 32,917,268.80
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Solution
The fourth proportional to 54,487,212.40, 81,690,140.40 and 32,917,268.80 is: 49,351,328.35
Step by Step Solution
- Step 1: Write the proportion equation
54,487,212.40 : 81,690,140.40 = 32,917,268.80 : x - Step 2: Convert to fraction form
54,487,212.40/81,690,140.40 = 32,917,268.80/x - Step 3: Cross multiply
54,487,212.40x = 81,690,140.40 × 32,917,268.80 - Step 4: Simplify right side
54,487,212.40x = 2,689,016,309,856,540 - Step 5: Solve for x
x = 2,689,016,309,856,540/54,487,212.40 - Step 6: Final answer
x = 49,351,328.35
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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.