Finding the Fourth Proportional to 92,471,914.99, 138,514,851.37 and 55,466,446.49
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Solution
The fourth proportional to 92,471,914.99, 138,514,851.37 and 55,466,446.49 is: 83,083,891.93
Step by Step Solution
- Step 1: Write the proportion equation
92,471,914.99 : 138,514,851.37 = 55,466,446.49 : x - Step 2: Convert to fraction form
92,471,914.99/138,514,851.37 = 55,466,446.49/x - Step 3: Cross multiply
92,471,914.99x = 138,514,851.37 × 55,466,446.49 - Step 4: Simplify right side
92,471,914.99x = 7,682,926,591,584,409 - Step 5: Solve for x
x = 7,682,926,591,584,409/92,471,914.99 - Step 6: Final answer
x = 83,083,891.93
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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.