Finding the Fourth Proportional to 136,121,519.70, 204,261,995.70 and 49,868,645.40
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Solution
The fourth proportional to 136,121,519.70, 204,261,995.70 and 49,868,645.40 is: 74,832,172.42
Step by Step Solution
- Step 1: Write the proportion equation
136,121,519.70 : 204,261,995.70 = 49,868,645.40 : x - Step 2: Convert to fraction form
136,121,519.70/204,261,995.70 = 49,868,645.40/x - Step 3: Cross multiply
136,121,519.70x = 204,261,995.70 × 49,868,645.40 - Step 4: Simplify right side
136,121,519.70x = 10,186,269,032,259,624 - Step 5: Solve for x
x = 10,186,269,032,259,624/136,121,519.70 - Step 6: Final answer
x = 74,832,172.42
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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.