Finding the Fourth Proportional to 49,497,795.20, 74,246,692.80 and 46,138,563.20
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Solution
The fourth proportional to 49,497,795.20, 74,246,692.80 and 46,138,563.20 is: 69,207,844.80
Step by Step Solution
- Step 1: Write the proportion equation
49,497,795.20 : 74,246,692.80 = 46,138,563.20 : x - Step 2: Convert to fraction form
49,497,795.20/74,246,692.80 = 46,138,563.20/x - Step 3: Cross multiply
49,497,795.20x = 74,246,692.80 × 46,138,563.20 - Step 4: Simplify right side
49,497,795.20x = 3,425,635,728,143,785 - Step 5: Solve for x
x = 3,425,635,728,143,785/49,497,795.20 - Step 6: Final answer
x = 69,207,844.80
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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.