Finding the Fourth Proportional to 81,628,590.24, 112,647,456.59 and 44,959,161.24
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Solution
The fourth proportional to 81,628,590.24, 112,647,456.59 and 44,959,161.24 is: 62,043,643.64
Step by Step Solution
- Step 1: Write the proportion equation
81,628,590.24 : 112,647,456.59 = 44,959,161.24 : x - Step 2: Convert to fraction form
81,628,590.24/112,647,456.59 = 44,959,161.24/x - Step 3: Cross multiply
81,628,590.24x = 112,647,456.59 × 44,959,161.24 - Step 4: Simplify right side
81,628,590.24x = 5,064,535,163,880,915 - Step 5: Solve for x
x = 5,064,535,163,880,915/81,628,590.24 - Step 6: Final answer
x = 62,043,643.64
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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.