Finding the Fourth Proportional to 86,297,245.10, 129,445,867.65 and 22,471,837.10
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Solution
The fourth proportional to 86,297,245.10, 129,445,867.65 and 22,471,837.10 is: 33,707,755.65
Step by Step Solution
- Step 1: Write the proportion equation
86,297,245.10 : 129,445,867.65 = 22,471,837.10 : x - Step 2: Convert to fraction form
86,297,245.10/129,445,867.65 = 22,471,837.10/x - Step 3: Cross multiply
86,297,245.10x = 129,445,867.65 × 22,471,837.10 - Step 4: Simplify right side
86,297,245.10x = 2,908,886,451,098,960 - Step 5: Solve for x
x = 2,908,886,451,098,960/86,297,245.10 - Step 6: Final answer
x = 33,707,755.65
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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.