Finding the Fourth Proportional to 158,375,541.68, 218,566,813.60 and 88,783,277.12
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Solution
The fourth proportional to 158,375,541.68, 218,566,813.60 and 88,783,277.12 is: 122,525,724.46
Step by Step Solution
- Step 1: Write the proportion equation
158,375,541.68 : 218,566,813.60 = 88,783,277.12 : x - Step 2: Convert to fraction form
158,375,541.68/218,566,813.60 = 88,783,277.12/x - Step 3: Cross multiply
158,375,541.68x = 218,566,813.60 × 88,783,277.12 - Step 4: Simplify right side
158,375,541.68x = 19,405,077,981,084,184 - Step 5: Solve for x
x = 19,405,077,981,084,184/158,375,541.68 - Step 6: Final answer
x = 122,525,724.46
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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.