Finding the Fourth Proportional to 94,089,513.40, 129,835,916.08 and 54,399,590.62
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Solution
The fourth proportional to 94,089,513.40, 129,835,916.08 and 54,399,590.62 is: 75,067,033.80
Step by Step Solution
- Step 1: Write the proportion equation
94,089,513.40 : 129,835,916.08 = 54,399,590.62 : x - Step 2: Convert to fraction form
94,089,513.40/129,835,916.08 = 54,399,590.62/x - Step 3: Cross multiply
94,089,513.40x = 129,835,916.08 × 54,399,590.62 - Step 4: Simplify right side
94,089,513.40x = 7,063,020,682,524,675 - Step 5: Solve for x
x = 7,063,020,682,524,675/94,089,513.40 - Step 6: Final answer
x = 75,067,033.80
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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.