Finding the Fourth Proportional to 136,282,616.10, 204,423,924.15 and 81,863,057.70
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Solution
The fourth proportional to 136,282,616.10, 204,423,924.15 and 81,863,057.70 is: 122,794,586.55
Step by Step Solution
- Step 1: Write the proportion equation
136,282,616.10 : 204,423,924.15 = 81,863,057.70 : x - Step 2: Convert to fraction form
136,282,616.10/204,423,924.15 = 81,863,057.70/x - Step 3: Cross multiply
136,282,616.10x = 204,423,924.15 × 81,863,057.70 - Step 4: Simplify right side
136,282,616.10x = 16,734,767,497,951,874 - Step 5: Solve for x
x = 16,734,767,497,951,874/136,282,616.10 - Step 6: Final answer
x = 122,794,586.55
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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.