Finding the Fourth Proportional to 151,498,068.32, 209,067,423.79 and 84,517,026.68
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Solution
The fourth proportional to 151,498,068.32, 209,067,423.79 and 84,517,026.68 is: 116,633,546.75
Step by Step Solution
- Step 1: Write the proportion equation
151,498,068.32 : 209,067,423.79 = 84,517,026.68 : x - Step 2: Convert to fraction form
151,498,068.32/209,067,423.79 = 84,517,026.68/x - Step 3: Cross multiply
151,498,068.32x = 209,067,423.79 × 84,517,026.68 - Step 4: Simplify right side
151,498,068.32x = 17,669,757,033,332,958 - Step 5: Solve for x
x = 17,669,757,033,332,958/151,498,068.32 - Step 6: Final answer
x = 116,633,546.75
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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.