Finding the Fourth Proportional to 115,838,531.09, 173,673,550.65 and 54,396,029.08
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Solution
The fourth proportional to 115,838,531.09, 173,673,550.65 and 54,396,029.08 is: 81,554,482.97
Step by Step Solution
- Step 1: Write the proportion equation
115,838,531.09 : 173,673,550.65 = 54,396,029.08 : x - Step 2: Convert to fraction form
115,838,531.09/173,673,550.65 = 54,396,029.08/x - Step 3: Cross multiply
115,838,531.09x = 173,673,550.65 × 54,396,029.08 - Step 4: Simplify right side
115,838,531.09x = 9,447,151,511,584,252 - Step 5: Solve for x
x = 9,447,151,511,584,252/115,838,531.09 - Step 6: Final answer
x = 81,554,482.97
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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.