Finding the Fourth Proportional to 81,569,545.26, 112,568,943.39 and 44,398,030.38
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Solution
The fourth proportional to 81,569,545.26, 112,568,943.39 and 44,398,030.38 is: 61,270,898.99
Step by Step Solution
- Step 1: Write the proportion equation
81,569,545.26 : 112,568,943.39 = 44,398,030.38 : x - Step 2: Convert to fraction form
81,569,545.26/112,568,943.39 = 44,398,030.38/x - Step 3: Cross multiply
81,569,545.26x = 112,568,943.39 × 44,398,030.38 - Step 4: Simplify right side
81,569,545.26x = 4,997,839,368,473,721 - Step 5: Solve for x
x = 4,997,839,368,473,721/81,569,545.26 - Step 6: Final answer
x = 61,270,898.99
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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.