Finding the Fourth Proportional to 96,906,804.88, 133,752,086.76 and 55,676,431.12
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Solution
The fourth proportional to 96,906,804.88, 133,752,086.76 and 55,676,431.12 is: 76,845,365.55
Step by Step Solution
- Step 1: Write the proportion equation
96,906,804.88 : 133,752,086.76 = 55,676,431.12 : x - Step 2: Convert to fraction form
96,906,804.88/133,752,086.76 = 55,676,431.12/x - Step 3: Cross multiply
96,906,804.88x = 133,752,086.76 × 55,676,431.12 - Step 4: Simplify right side
96,906,804.88x = 7,446,838,845,649,404 - Step 5: Solve for x
x = 7,446,838,845,649,404/96,906,804.88 - Step 6: Final answer
x = 76,845,365.55
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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.