Finding the Fourth Proportional to 107,557,645.80, 161,336,468.70 and 26,778,613.80
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Solution
The fourth proportional to 107,557,645.80, 161,336,468.70 and 26,778,613.80 is: 40,167,920.70
Step by Step Solution
- Step 1: Write the proportion equation
107,557,645.80 : 161,336,468.70 = 26,778,613.80 : x - Step 2: Convert to fraction form
107,557,645.80/161,336,468.70 = 26,778,613.80/x - Step 3: Cross multiply
107,557,645.80x = 161,336,468.70 × 26,778,613.80 - Step 4: Simplify right side
107,557,645.80x = 4,320,366,987,173,088 - Step 5: Solve for x
x = 4,320,366,987,173,088/107,557,645.80 - Step 6: Final answer
x = 40,167,920.70
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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.