Finding the Fourth Proportional to 84,150,207.70, 126,225,311.55 and 26,646,979.30
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Solution
The fourth proportional to 84,150,207.70, 126,225,311.55 and 26,646,979.30 is: 39,970,468.95
Step by Step Solution
- Step 1: Write the proportion equation
84,150,207.70 : 126,225,311.55 = 26,646,979.30 : x - Step 2: Convert to fraction form
84,150,207.70/126,225,311.55 = 26,646,979.30/x - Step 3: Cross multiply
84,150,207.70x = 126,225,311.55 × 26,646,979.30 - Step 4: Simplify right side
84,150,207.70x = 3,363,523,264,008,901 - Step 5: Solve for x
x = 3,363,523,264,008,901/84,150,207.70 - Step 6: Final answer
x = 39,970,468.95
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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.