Finding the Fourth Proportional to 135,832,379.09, 203,705,374.79 and 43,694,670.21
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Solution
The fourth proportional to 135,832,379.09, 203,705,374.79 and 43,694,670.21 is: 65,528,110.68
Step by Step Solution
- Step 1: Write the proportion equation
135,832,379.09 : 203,705,374.79 = 43,694,670.21 : x - Step 2: Convert to fraction form
135,832,379.09/203,705,374.79 = 43,694,670.21/x - Step 3: Cross multiply
135,832,379.09x = 203,705,374.79 × 43,694,670.21 - Step 4: Simplify right side
135,832,379.09x = 8,900,839,171,235,025 - Step 5: Solve for x
x = 8,900,839,171,235,025/135,832,379.09 - Step 6: Final answer
x = 65,528,110.68
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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.