Finding the Fourth Proportional to 71,501,879.19, 107,318,575.80 and 55,431,103.35
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Solution
The fourth proportional to 71,501,879.19, 107,318,575.80 and 55,431,103.35 is: 83,197,632.48
Step by Step Solution
- Step 1: Write the proportion equation
71,501,879.19 : 107,318,575.80 = 55,431,103.35 : x - Step 2: Convert to fraction form
71,501,879.19/107,318,575.80 = 55,431,103.35/x - Step 3: Cross multiply
71,501,879.19x = 107,318,575.80 × 55,431,103.35 - Step 4: Simplify right side
71,501,879.19x = 5,948,787,066,544,609 - Step 5: Solve for x
x = 5,948,787,066,544,609/71,501,879.19 - Step 6: Final answer
x = 83,197,632.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.