Finding the Fourth Proportional to 188,639,208.76, 282,958,813.32 and 52,324,592.08
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Solution
The fourth proportional to 188,639,208.76, 282,958,813.32 and 52,324,592.08 is: 78,486,888.17
Step by Step Solution
- Step 1: Write the proportion equation
188,639,208.76 : 282,958,813.32 = 52,324,592.08 : x - Step 2: Convert to fraction form
188,639,208.76/282,958,813.32 = 52,324,592.08/x - Step 3: Cross multiply
188,639,208.76x = 282,958,813.32 × 52,324,592.08 - Step 4: Simplify right side
188,639,208.76x = 14,805,704,482,409,870 - Step 5: Solve for x
x = 14,805,704,482,409,870/188,639,208.76 - Step 6: Final answer
x = 78,486,888.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.