Finding the Fourth Proportional to 46,657,430.40, 69,986,145.60 and 16,368,355.20
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Solution
The fourth proportional to 46,657,430.40, 69,986,145.60 and 16,368,355.20 is: 24,552,532.80
Step by Step Solution
- Step 1: Write the proportion equation
46,657,430.40 : 69,986,145.60 = 16,368,355.20 : x - Step 2: Convert to fraction form
46,657,430.40/69,986,145.60 = 16,368,355.20/x - Step 3: Cross multiply
46,657,430.40x = 69,986,145.60 × 16,368,355.20 - Step 4: Simplify right side
46,657,430.40x = 1,145,558,090,259,717 - Step 5: Solve for x
x = 1,145,558,090,259,717/46,657,430.40 - Step 6: Final answer
x = 24,552,532.80
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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.