Finding the Fourth Proportional to 86,446,549.72, 119,297,185.11 and 47,288,326.84
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Solution
The fourth proportional to 86,446,549.72, 119,297,185.11 and 47,288,326.84 is: 65,258,408.80
Step by Step Solution
- Step 1: Write the proportion equation
86,446,549.72 : 119,297,185.11 = 47,288,326.84 : x - Step 2: Convert to fraction form
86,446,549.72/119,297,185.11 = 47,288,326.84/x - Step 3: Cross multiply
86,446,549.72x = 119,297,185.11 × 47,288,326.84 - Step 4: Simplify right side
86,446,549.72x = 5,641,364,280,573,662 - Step 5: Solve for x
x = 5,641,364,280,573,662/86,446,549.72 - Step 6: Final answer
x = 65,258,408.80
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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.