Finding the Fourth Proportional to 218,951,725.14, 302,154,181.20 and 118,480,162.88
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Solution
The fourth proportional to 218,951,725.14, 302,154,181.20 and 118,480,162.88 is: 163,503,057.95
Step by Step Solution
- Step 1: Write the proportion equation
218,951,725.14 : 302,154,181.20 = 118,480,162.88 : x - Step 2: Convert to fraction form
218,951,725.14/302,154,181.20 = 118,480,162.88/x - Step 3: Cross multiply
218,951,725.14x = 302,154,181.20 × 118,480,162.88 - Step 4: Simplify right side
218,951,725.14x = 35,799,276,604,204,416 - Step 5: Solve for x
x = 35,799,276,604,204,416/218,951,725.14 - Step 6: Final answer
x = 163,503,057.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.