Finding the Fourth Proportional to 180,231,932.18, 248,724,957.06 and 101,927,195.44
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Solution
The fourth proportional to 180,231,932.18, 248,724,957.06 and 101,927,195.44 is: 140,662,295.53
Step by Step Solution
- Step 1: Write the proportion equation
180,231,932.18 : 248,724,957.06 = 101,927,195.44 : x - Step 2: Convert to fraction form
180,231,932.18/248,724,957.06 = 101,927,195.44/x - Step 3: Cross multiply
180,231,932.18x = 248,724,957.06 × 101,927,195.44 - Step 4: Simplify right side
180,231,932.18x = 25,351,837,308,153,020 - Step 5: Solve for x
x = 25,351,837,308,153,020/180,231,932.18 - Step 6: Final answer
x = 140,662,295.53
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1.5x scale
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.