Finding the Fourth Proportional to 81,452,194.26, 112,403,037.33 and 60,637,224.66
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Solution
The fourth proportional to 81,452,194.26, 112,403,037.33 and 60,637,224.66 is: 83,678,632.47
Step by Step Solution
- Step 1: Write the proportion equation
81,452,194.26 : 112,403,037.33 = 60,637,224.66 : x - Step 2: Convert to fraction form
81,452,194.26/112,403,037.33 = 60,637,224.66/x - Step 3: Cross multiply
81,452,194.26x = 112,403,037.33 × 60,637,224.66 - Step 4: Simplify right side
81,452,194.26x = 6,815,808,227,045,576 - Step 5: Solve for x
x = 6,815,808,227,045,576/81,452,194.26 - Step 6: Final answer
x = 83,678,632.47
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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.