Finding the Fourth Proportional to 170,016,613.70, 255,024,920.55 and 101,992,165.70
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Solution
The fourth proportional to 170,016,613.70, 255,024,920.55 and 101,992,165.70 is: 152,988,248.55
Step by Step Solution
- Step 1: Write the proportion equation
170,016,613.70 : 255,024,920.55 = 101,992,165.70 : x - Step 2: Convert to fraction form
170,016,613.70/255,024,920.55 = 101,992,165.70/x - Step 3: Cross multiply
170,016,613.70x = 255,024,920.55 × 101,992,165.70 - Step 4: Simplify right side
170,016,613.70x = 26,010,543,954,364,936 - Step 5: Solve for x
x = 26,010,543,954,364,936/170,016,613.70 - Step 6: Final answer
x = 152,988,248.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.