Finding the Fourth Proportional to 115,838,530.09, 173,673,549.15 and 54,396,028.08
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Solution
The fourth proportional to 115,838,530.09, 173,673,549.15 and 54,396,028.08 is: 81,554,481.48
Step by Step Solution
- Step 1: Write the proportion equation
115,838,530.09 : 173,673,549.15 = 54,396,028.08 : x - Step 2: Convert to fraction form
115,838,530.09/173,673,549.15 = 54,396,028.08/x - Step 3: Cross multiply
115,838,530.09x = 173,673,549.15 × 54,396,028.08 - Step 4: Simplify right side
115,838,530.09x = 9,447,151,256,112,676 - Step 5: Solve for x
x = 9,447,151,256,112,676/115,838,530.09 - Step 6: Final answer
x = 81,554,481.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.