Finding the Fourth Proportional to 46,379,871.40, 69,569,807.10 and 29,135,813.80
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Solution
The fourth proportional to 46,379,871.40, 69,569,807.10 and 29,135,813.80 is: 43,703,720.70
Step by Step Solution
- Step 1: Write the proportion equation
46,379,871.40 : 69,569,807.10 = 29,135,813.80 : x - Step 2: Convert to fraction form
46,379,871.40/69,569,807.10 = 29,135,813.80/x - Step 3: Cross multiply
46,379,871.40x = 69,569,807.10 × 29,135,813.80 - Step 4: Simplify right side
46,379,871.40x = 2,026,972,945,767,517.75 - Step 5: Solve for x
x = 2,026,972,945,767,517.75/46,379,871.40 - Step 6: Final answer
x = 43,703,720.70
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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.