Finding the Fourth Proportional to 57,368,917.80, 79,166,802.99 and 31,262,879.23
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Solution
The fourth proportional to 57,368,917.80, 79,166,802.99 and 31,262,879.23 is: 43,141,518.02
Step by Step Solution
- Step 1: Write the proportion equation
57,368,917.80 : 79,166,802.99 = 31,262,879.23 : x - Step 2: Convert to fraction form
57,368,917.80/79,166,802.99 = 31,262,879.23/x - Step 3: Cross multiply
57,368,917.80x = 79,166,802.99 × 31,262,879.23 - Step 4: Simplify right side
57,368,917.80x = 2,474,982,200,901,573 - Step 5: Solve for x
x = 2,474,982,200,901,573/57,368,917.80 - Step 6: Final answer
x = 43,141,518.02
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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.