Finding the Fourth Proportional to 86,446,548.72, 119,297,183.73 and 47,288,325.84
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Solution
The fourth proportional to 86,446,548.72, 119,297,183.73 and 47,288,325.84 is: 65,258,407.42
Step by Step Solution
- Step 1: Write the proportion equation
86,446,548.72 : 119,297,183.73 = 47,288,325.84 : x - Step 2: Convert to fraction form
86,446,548.72/119,297,183.73 = 47,288,325.84/x - Step 3: Cross multiply
86,446,548.72x = 119,297,183.73 × 47,288,325.84 - Step 4: Simplify right side
86,446,548.72x = 5,641,364,096,018,587 - Step 5: Solve for x
x = 5,641,364,096,018,587/86,446,548.72 - Step 6: Final answer
x = 65,258,407.42
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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.