Finding the Fourth Proportional to 46,581,696.66, 69,885,507.49 and 20,322,830.09
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Solution
The fourth proportional to 46,581,696.66, 69,885,507.49 and 20,322,830.09 is: 30,489,900.46
Step by Step Solution
- Step 1: Write the proportion equation
46,581,696.66 : 69,885,507.49 = 20,322,830.09 : x - Step 2: Convert to fraction form
46,581,696.66/69,885,507.49 = 20,322,830.09/x - Step 3: Cross multiply
46,581,696.66x = 69,885,507.49 × 20,322,830.09 - Step 4: Simplify right side
46,581,696.66x = 1,420,271,294,189,165.25 - Step 5: Solve for x
x = 1,420,271,294,189,165.25/46,581,696.66 - Step 6: Final answer
x = 30,489,900.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.