Finding the Fourth Proportional to 49,781,619.42, 68,703,146.13 and 30,207,466.41
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Solution
The fourth proportional to 49,781,619.42, 68,703,146.13 and 30,207,466.41 is: 41,689,041.12
Step by Step Solution
- Step 1: Write the proportion equation
49,781,619.42 : 68,703,146.13 = 30,207,466.41 : x - Step 2: Convert to fraction form
49,781,619.42/68,703,146.13 = 30,207,466.41/x - Step 3: Cross multiply
49,781,619.42x = 68,703,146.13 × 30,207,466.41 - Step 4: Simplify right side
49,781,619.42x = 2,075,347,978,983,296.25 - Step 5: Solve for x
x = 2,075,347,978,983,296.25/49,781,619.42 - Step 6: Final answer
x = 41,689,041.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.