Finding the Fourth Proportional to 199,593,817.56, 275,336,297.82 and 126,297,474.84
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Solution
The fourth proportional to 199,593,817.56, 275,336,297.82 and 126,297,474.84 is: 174,225,231.88
Step by Step Solution
- Step 1: Write the proportion equation
199,593,817.56 : 275,336,297.82 = 126,297,474.84 : x - Step 2: Convert to fraction form
199,593,817.56/275,336,297.82 = 126,297,474.84/x - Step 3: Cross multiply
199,593,817.56x = 275,336,297.82 × 126,297,474.84 - Step 4: Simplify right side
199,593,817.56x = 34,774,279,146,460,196 - Step 5: Solve for x
x = 34,774,279,146,460,196/199,593,817.56 - Step 6: Final answer
x = 174,225,231.88
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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.