Finding the Fourth Proportional to 84,019,492.80, 126,029,239.20 and 32,884,516.80
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Solution
The fourth proportional to 84,019,492.80, 126,029,239.20 and 32,884,516.80 is: 49,326,775.20
Step by Step Solution
- Step 1: Write the proportion equation
84,019,492.80 : 126,029,239.20 = 32,884,516.80 : x - Step 2: Convert to fraction form
84,019,492.80/126,029,239.20 = 32,884,516.80/x - Step 3: Cross multiply
84,019,492.80x = 126,029,239.20 × 32,884,516.80 - Step 4: Simplify right side
84,019,492.80x = 4,144,410,633,763,619 - Step 5: Solve for x
x = 4,144,410,633,763,619/84,019,492.80 - Step 6: Final answer
x = 49,326,775.20
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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.