Finding the Fourth Proportional to 168,529,281.40, 252,856,907.70 and 66,364,538.68
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Solution
The fourth proportional to 168,529,281.40, 252,856,907.70 and 66,364,538.68 is: 99,571,610.89
Step by Step Solution
- Step 1: Write the proportion equation
168,529,281.40 : 252,856,907.70 = 66,364,538.68 : x - Step 2: Convert to fraction form
168,529,281.40/252,856,907.70 = 66,364,538.68/x - Step 3: Cross multiply
168,529,281.40x = 252,856,907.70 × 66,364,538.68 - Step 4: Simplify right side
168,529,281.40x = 16,780,732,031,561,838 - Step 5: Solve for x
x = 16,780,732,031,561,838/168,529,281.40 - Step 6: Final answer
x = 99,571,610.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.