Finding the Fourth Proportional to 61,638,112.62, 85,036,929.44 and 35,177,936.65
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Solution
The fourth proportional to 61,638,112.62, 85,036,929.44 and 35,177,936.65 is: 48,532,045.99
Step by Step Solution
- Step 1: Write the proportion equation
61,638,112.62 : 85,036,929.44 = 35,177,936.65 : x - Step 2: Convert to fraction form
61,638,112.62/85,036,929.44 = 35,177,936.65/x - Step 3: Cross multiply
61,638,112.62x = 85,036,929.44 × 35,177,936.65 - Step 4: Simplify right side
61,638,112.62x = 2,991,423,716,362,358 - Step 5: Solve for x
x = 2,991,423,716,362,358/61,638,112.62 - Step 6: Final answer
x = 48,532,045.99
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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.