Finding the Fourth Proportional to 112,324,817.70, 168,151,303.35 and 66,863,211.30
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Solution
The fourth proportional to 112,324,817.70, 168,151,303.35 and 66,863,211.30 is: 100,094,853.09
Step by Step Solution
- Step 1: Write the proportion equation
112,324,817.70 : 168,151,303.35 = 66,863,211.30 : x - Step 2: Convert to fraction form
112,324,817.70/168,151,303.35 = 66,863,211.30/x - Step 3: Cross multiply
112,324,817.70x = 168,151,303.35 × 66,863,211.30 - Step 4: Simplify right side
112,324,817.70x = 11,243,136,126,261,446 - Step 5: Solve for x
x = 11,243,136,126,261,446/112,324,817.70 - Step 6: Final answer
x = 100,094,853.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.