Finding the Fourth Proportional to 126,017,770.62, 173,788,952.75 and 86,382,900.84
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Solution
The fourth proportional to 126,017,770.62, 173,788,952.75 and 86,382,900.84 is: 119,129,181.53
Step by Step Solution
- Step 1: Write the proportion equation
126,017,770.62 : 173,788,952.75 = 86,382,900.84 : x - Step 2: Convert to fraction form
126,017,770.62/173,788,952.75 = 86,382,900.84/x - Step 3: Cross multiply
126,017,770.62x = 173,788,952.75 × 86,382,900.84 - Step 4: Simplify right side
126,017,770.62x = 15,012,393,871,189,836 - Step 5: Solve for x
x = 15,012,393,871,189,836/126,017,770.62 - Step 6: Final answer
x = 119,129,181.53
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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.