Finding the Fourth Proportional to 71,305,672.77, 98,402,237.67 and 41,938,243.11
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Solution
The fourth proportional to 71,305,672.77, 98,402,237.67 and 41,938,243.11 is: 57,875,016.19
Step by Step Solution
- Step 1: Write the proportion equation
71,305,672.77 : 98,402,237.67 = 41,938,243.11 : x - Step 2: Convert to fraction form
71,305,672.77/98,402,237.67 = 41,938,243.11/x - Step 3: Cross multiply
71,305,672.77x = 98,402,237.67 × 41,938,243.11 - Step 4: Simplify right side
71,305,672.77x = 4,126,816,965,972,460 - Step 5: Solve for x
x = 4,126,816,965,972,460/71,305,672.77 - Step 6: Final answer
x = 57,875,016.19
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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.