Finding the Fourth Proportional to 136,383,405.12, 204,576,880.50 and 45,506,994.12
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Solution
The fourth proportional to 136,383,405.12, 204,576,880.50 and 45,506,994.12 is: 68,261,082.72
Step by Step Solution
- Step 1: Write the proportion equation
136,383,405.12 : 204,576,880.50 = 45,506,994.12 : x - Step 2: Convert to fraction form
136,383,405.12/204,576,880.50 = 45,506,994.12/x - Step 3: Cross multiply
136,383,405.12x = 204,576,880.50 × 45,506,994.12 - Step 4: Simplify right side
136,383,405.12x = 9,309,678,898,001,442 - Step 5: Solve for x
x = 9,309,678,898,001,442/136,383,405.12 - Step 6: Final answer
x = 68,261,082.72
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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.