Finding the Fourth Proportional to 295,237,231.20, 442,855,846.80 and 122,656,687.20
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Solution
The fourth proportional to 295,237,231.20, 442,855,846.80 and 122,656,687.20 is: 183,985,030.80
Step by Step Solution
- Step 1: Write the proportion equation
295,237,231.20 : 442,855,846.80 = 122,656,687.20 : x - Step 2: Convert to fraction form
295,237,231.20/442,855,846.80 = 122,656,687.20/x - Step 3: Cross multiply
295,237,231.20x = 442,855,846.80 × 122,656,687.20 - Step 4: Simplify right side
295,237,231.20x = 54,319,231,075,638,720 - Step 5: Solve for x
x = 54,319,231,075,638,720/295,237,231.20 - Step 6: Final answer
x = 183,985,030.80
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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.