Finding the Fourth Proportional to 196,450,809.67, 271,033,652.15 and 125,925,306.67
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Solution
The fourth proportional to 196,450,809.67, 271,033,652.15 and 125,925,306.67 is: 173,733,036.90
Step by Step Solution
- Step 1: Write the proportion equation
196,450,809.67 : 271,033,652.15 = 125,925,306.67 : x - Step 2: Convert to fraction form
196,450,809.67/271,033,652.15 = 125,925,306.67/x - Step 3: Cross multiply
196,450,809.67x = 271,033,652.15 × 125,925,306.67 - Step 4: Simplify right side
196,450,809.67x = 34,129,995,765,060,240 - Step 5: Solve for x
x = 34,129,995,765,060,240/196,450,809.67 - Step 6: Final answer
x = 173,733,036.90
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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.