Finding the Fourth Proportional to 81,991,839.33, 113,148,966.33 and 44,822,568.75
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Solution
The fourth proportional to 81,991,839.33, 113,148,966.33 and 44,822,568.75 is: 61,855,269.55
Step by Step Solution
- Step 1: Write the proportion equation
81,991,839.33 : 113,148,966.33 = 44,822,568.75 : x - Step 2: Convert to fraction form
81,991,839.33/113,148,966.33 = 44,822,568.75/x - Step 3: Cross multiply
81,991,839.33x = 113,148,966.33 × 44,822,568.75 - Step 4: Simplify right side
81,991,839.33x = 5,071,627,322,317,860 - Step 5: Solve for x
x = 5,071,627,322,317,860/81,991,839.33 - Step 6: Final answer
x = 61,855,269.55
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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.