Finding the Fourth Proportional to 62,106,961.55, 85,707,939.24 and 35,643,205.08
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Solution
The fourth proportional to 62,106,961.55, 85,707,939.24 and 35,643,205.08 is: 49,187,813.72
Step by Step Solution
- Step 1: Write the proportion equation
62,106,961.55 : 85,707,939.24 = 35,643,205.08 : x - Step 2: Convert to fraction form
62,106,961.55/85,707,939.24 = 35,643,205.08/x - Step 3: Cross multiply
62,106,961.55x = 85,707,939.24 × 35,643,205.08 - Step 4: Simplify right side
62,106,961.55x = 3,054,905,655,315,499 - Step 5: Solve for x
x = 3,054,905,655,315,499/62,106,961.55 - Step 6: Final answer
x = 49,187,813.72
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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.