Finding the Fourth Proportional to 95,379,008.81, 131,615,527.79 and 54,125,901.05
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Solution
The fourth proportional to 95,379,008.81, 131,615,527.79 and 54,125,901.05 is: 74,689,484.85
Step by Step Solution
- Step 1: Write the proportion equation
95,379,008.81 : 131,615,527.79 = 54,125,901.05 : x - Step 2: Convert to fraction form
95,379,008.81/131,615,527.79 = 54,125,901.05/x - Step 3: Cross multiply
95,379,008.81x = 131,615,527.79 × 54,125,901.05 - Step 4: Simplify right side
95,379,008.81x = 7,123,809,033,146,988 - Step 5: Solve for x
x = 7,123,809,033,146,988/95,379,008.81 - Step 6: Final answer
x = 74,689,484.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.