Finding the Fourth Proportional to 49,781,618.42, 68,703,144.75 and 30,207,465.41
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Solution
The fourth proportional to 49,781,618.42, 68,703,144.75 and 30,207,465.41 is: 41,689,039.74
Step by Step Solution
- Step 1: Write the proportion equation
49,781,618.42 : 68,703,144.75 = 30,207,465.41 : x - Step 2: Convert to fraction form
49,781,618.42/68,703,144.75 = 30,207,465.41/x - Step 3: Cross multiply
49,781,618.42x = 68,703,144.75 × 30,207,465.41 - Step 4: Simplify right side
49,781,618.42x = 2,075,347,868,593,848 - Step 5: Solve for x
x = 2,075,347,868,593,848/49,781,618.42 - Step 6: Final answer
x = 41,689,039.74
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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.