Finding the Fourth Proportional to 70,638,299.67, 97,458,944.79 and 41,248,431.39
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Solution
The fourth proportional to 70,638,299.67, 97,458,944.79 and 41,248,431.39 is: 56,910,041.95
Step by Step Solution
- Step 1: Write the proportion equation
70,638,299.67 : 97,458,944.79 = 41,248,431.39 : x - Step 2: Convert to fraction form
70,638,299.67/97,458,944.79 = 41,248,431.39/x - Step 3: Cross multiply
70,638,299.67x = 97,458,944.79 × 41,248,431.39 - Step 4: Simplify right side
70,638,299.67x = 4,020,028,597,512,113.50 - Step 5: Solve for x
x = 4,020,028,597,512,113.50/70,638,299.67 - Step 6: Final answer
x = 56,910,041.95
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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.