Finding the Fourth Proportional to 70,965,216.05, 97,931,427.76 and 41,198,626.13
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Solution
The fourth proportional to 70,965,216.05, 97,931,427.76 and 41,198,626.13 is: 56,853,772.92
Step by Step Solution
- Step 1: Write the proportion equation
70,965,216.05 : 97,931,427.76 = 41,198,626.13 : x - Step 2: Convert to fraction form
70,965,216.05/97,931,427.76 = 41,198,626.13/x - Step 3: Cross multiply
70,965,216.05x = 97,931,427.76 × 41,198,626.13 - Step 4: Simplify right side
70,965,216.05x = 4,034,640,278,661,344 - Step 5: Solve for x
x = 4,034,640,278,661,344/70,965,216.05 - Step 6: Final answer
x = 56,853,772.92
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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.