Finding the Fourth Proportional to 46,503,128.98, 69,690,920.55 and 29,433,331.54
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Solution
The fourth proportional to 46,503,128.98, 69,690,920.55 and 29,433,331.54 is: 44,109,633.37
Step by Step Solution
- Step 1: Write the proportion equation
46,503,128.98 : 69,690,920.55 = 29,433,331.54 : x - Step 2: Convert to fraction form
46,503,128.98/69,690,920.55 = 29,433,331.54/x - Step 3: Cross multiply
46,503,128.98x = 69,690,920.55 × 29,433,331.54 - Step 4: Simplify right side
46,503,128.98x = 2,051,235,969,875,949 - Step 5: Solve for x
x = 2,051,235,969,875,949/46,503,128.98 - Step 6: Final answer
x = 44,109,633.37
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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.