Finding the Fourth Proportional to 252,306,123.56, 378,457,597.26 and 135,776,370.44
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Solution
The fourth proportional to 252,306,123.56, 378,457,597.26 and 135,776,370.44 is: 203,663,701.05
Step by Step Solution
- Step 1: Write the proportion equation
252,306,123.56 : 378,457,597.26 = 135,776,370.44 : x - Step 2: Convert to fraction form
252,306,123.56/378,457,597.26 = 135,776,370.44/x - Step 3: Cross multiply
252,306,123.56x = 378,457,597.26 × 135,776,370.44 - Step 4: Simplify right side
252,306,123.56x = 51,385,598,921,406,088 - Step 5: Solve for x
x = 51,385,598,921,406,088/252,306,123.56 - Step 6: Final answer
x = 203,663,701.05
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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.