Finding the Fourth Proportional to 45,731,109.12, 68,560,737.92 and 31,310,555.52
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Solution
The fourth proportional to 45,731,109.12, 68,560,737.92 and 31,310,555.52 is: 46,941,236.12
Step by Step Solution
- Step 1: Write the proportion equation
45,731,109.12 : 68,560,737.92 = 31,310,555.52 : x - Step 2: Convert to fraction form
45,731,109.12/68,560,737.92 = 31,310,555.52/x - Step 3: Cross multiply
45,731,109.12x = 68,560,737.92 × 31,310,555.52 - Step 4: Simplify right side
45,731,109.12x = 2,146,674,791,136,329.25 - Step 5: Solve for x
x = 2,146,674,791,136,329.25/45,731,109.12 - Step 6: Final answer
x = 46,941,236.12
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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.