Finding the Fourth Proportional to 126,857,471.70, 190,286,207.55 and 88,593,719.70
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Solution
The fourth proportional to 126,857,471.70, 190,286,207.55 and 88,593,719.70 is: 132,890,579.55
Step by Step Solution
- Step 1: Write the proportion equation
126,857,471.70 : 190,286,207.55 = 88,593,719.70 : x - Step 2: Convert to fraction form
126,857,471.70/190,286,207.55 = 88,593,719.70/x - Step 3: Cross multiply
126,857,471.70x = 190,286,207.55 × 88,593,719.70 - Step 4: Simplify right side
126,857,471.70x = 16,858,162,934,460,726 - Step 5: Solve for x
x = 16,858,162,934,460,726/126,857,471.70 - Step 6: Final answer
x = 132,890,579.55
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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.