Finding the Fourth Proportional to 63,082,132.09, 87,092,751.14 and 48,369,534.28
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Solution
The fourth proportional to 63,082,132.09, 87,092,751.14 and 48,369,534.28 is: 66,780,174.86
Step by Step Solution
- Step 1: Write the proportion equation
63,082,132.09 : 87,092,751.14 = 48,369,534.28 : x - Step 2: Convert to fraction form
63,082,132.09/87,092,751.14 = 48,369,534.28/x - Step 3: Cross multiply
63,082,132.09x = 87,092,751.14 × 48,369,534.28 - Step 4: Simplify right side
63,082,132.09x = 4,212,635,811,805,739 - Step 5: Solve for x
x = 4,212,635,811,805,739/63,082,132.09 - Step 6: Final answer
x = 66,780,174.86
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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.