Finding the Fourth Proportional to 136,083,998.70, 204,125,998.05 and 122,053,956.30
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Solution
The fourth proportional to 136,083,998.70, 204,125,998.05 and 122,053,956.30 is: 183,080,934.45
Step by Step Solution
- Step 1: Write the proportion equation
136,083,998.70 : 204,125,998.05 = 122,053,956.30 : x - Step 2: Convert to fraction form
136,083,998.70/204,125,998.05 = 122,053,956.30/x - Step 3: Cross multiply
136,083,998.70x = 204,125,998.05 × 122,053,956.30 - Step 4: Simplify right side
136,083,998.70x = 24,914,385,645,688,588 - Step 5: Solve for x
x = 24,914,385,645,688,588/136,083,998.70 - Step 6: Final answer
x = 183,080,934.45
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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.