Finding the Fourth Proportional to 57,582,179.75, 79,463,414.05 and 31,476,803.96
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Solution
The fourth proportional to 57,582,179.75, 79,463,414.05 and 31,476,803.96 is: 43,437,992.74
Step by Step Solution
- Step 1: Write the proportion equation
57,582,179.75 : 79,463,414.05 = 31,476,803.96 : x - Step 2: Convert to fraction form
57,582,179.75/79,463,414.05 = 31,476,803.96/x - Step 3: Cross multiply
57,582,179.75x = 79,463,414.05 × 31,476,803.96 - Step 4: Simplify right side
57,582,179.75x = 2,501,254,306,164,126 - Step 5: Solve for x
x = 2,501,254,306,164,126/57,582,179.75 - Step 6: Final answer
x = 43,437,992.74
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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.