Finding the Fourth Proportional to 136,703,192.94, 188,650,634.58 and 74,827,451.70
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Solution
The fourth proportional to 136,703,192.94, 188,650,634.58 and 74,827,451.70 is: 103,262,008.32
Step by Step Solution
- Step 1: Write the proportion equation
136,703,192.94 : 188,650,634.58 = 74,827,451.70 : x - Step 2: Convert to fraction form
136,703,192.94/188,650,634.58 = 74,827,451.70/x - Step 3: Cross multiply
136,703,192.94x = 188,650,634.58 × 74,827,451.70 - Step 4: Simplify right side
136,703,192.94x = 14,116,246,247,209,302 - Step 5: Solve for x
x = 14,116,246,247,209,302/136,703,192.94 - Step 6: Final answer
x = 103,262,008.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.