Finding the Fourth Proportional to 142,724,863.80, 214,087,295.70 and 125,718,751.80
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Solution
The fourth proportional to 142,724,863.80, 214,087,295.70 and 125,718,751.80 is: 188,578,127.70
Step by Step Solution
- Step 1: Write the proportion equation
142,724,863.80 : 214,087,295.70 = 125,718,751.80 : x - Step 2: Convert to fraction form
142,724,863.80/214,087,295.70 = 125,718,751.80/x - Step 3: Cross multiply
142,724,863.80x = 214,087,295.70 × 125,718,751.80 - Step 4: Simplify right side
142,724,863.80x = 26,914,787,591,641,504 - Step 5: Solve for x
x = 26,914,787,591,641,504/142,724,863.80 - Step 6: Final answer
x = 188,578,127.70
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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.