Finding the Fourth Proportional to 165,888,113.80, 248,832,170.70 and 144,654,449.80
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Solution
The fourth proportional to 165,888,113.80, 248,832,170.70 and 144,654,449.80 is: 216,981,674.70
Step by Step Solution
- Step 1: Write the proportion equation
165,888,113.80 : 248,832,170.70 = 144,654,449.80 : x - Step 2: Convert to fraction form
165,888,113.80/248,832,170.70 = 144,654,449.80/x - Step 3: Cross multiply
165,888,113.80x = 248,832,170.70 × 144,654,449.80 - Step 4: Simplify right side
165,888,113.80x = 35,994,680,745,148,184 - Step 5: Solve for x
x = 35,994,680,745,148,184/165,888,113.80 - Step 6: Final answer
x = 216,981,674.70
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1.5x scale
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.