Finding the Fourth Proportional to 136,810,908.92, 188,799,236.33 and 74,087,114.99
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Solution
The fourth proportional to 136,810,908.92, 188,799,236.33 and 74,087,114.99 is: 102,240,317.25
Step by Step Solution
- Step 1: Write the proportion equation
136,810,908.92 : 188,799,236.33 = 74,087,114.99 : x - Step 2: Convert to fraction form
136,810,908.92/188,799,236.33 = 74,087,114.99/x - Step 3: Cross multiply
136,810,908.92x = 188,799,236.33 × 74,087,114.99 - Step 4: Simplify right side
136,810,908.92x = 13,987,590,732,106,458 - Step 5: Solve for x
x = 13,987,590,732,106,458/136,810,908.92 - Step 6: Final answer
x = 102,240,317.25
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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.