Finding the Fourth Proportional to 201,846,710.78, 278,548,470.84 and 109,027,218.62
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Solution
The fourth proportional to 201,846,710.78, 278,548,470.84 and 109,027,218.62 is: 150,457,567.08
Step by Step Solution
- Step 1: Write the proportion equation
201,846,710.78 : 278,548,470.84 = 109,027,218.62 : x - Step 2: Convert to fraction form
201,846,710.78/278,548,470.84 = 109,027,218.62/x - Step 3: Cross multiply
201,846,710.78x = 278,548,470.84 × 109,027,218.62 - Step 4: Simplify right side
201,846,710.78x = 30,369,365,025,942,776 - Step 5: Solve for x
x = 30,369,365,025,942,776/201,846,710.78 - Step 6: Final answer
x = 150,457,567.08
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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.