Finding the Fourth Proportional to 125,914,465.26, 188,641,516.12 and 91,285,102.80
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Solution
The fourth proportional to 125,914,465.26, 188,641,516.12 and 91,285,102.80 is: 136,760,777.69
Step by Step Solution
- Step 1: Write the proportion equation
125,914,465.26 : 188,641,516.12 = 91,285,102.80 : x - Step 2: Convert to fraction form
125,914,465.26/188,641,516.12 = 91,285,102.80/x - Step 3: Cross multiply
125,914,465.26x = 188,641,516.12 × 91,285,102.80 - Step 4: Simplify right side
125,914,465.26x = 17,220,160,191,362,058 - Step 5: Solve for x
x = 17,220,160,191,362,058/125,914,465.26 - Step 6: Final answer
x = 136,760,777.69
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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.