Finding the Fourth Proportional to 80,052,904.96, 110,243,888.04 and 75,064,604.20
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Solution
The fourth proportional to 80,052,904.96, 110,243,888.04 and 75,064,604.20 is: 103,374,310.09
Step by Step Solution
- Step 1: Write the proportion equation
80,052,904.96 : 110,243,888.04 = 75,064,604.20 : x - Step 2: Convert to fraction form
80,052,904.96/110,243,888.04 = 75,064,604.20/x - Step 3: Cross multiply
80,052,904.96x = 110,243,888.04 × 75,064,604.20 - Step 4: Simplify right side
80,052,904.96x = 8,275,413,821,191,715 - Step 5: Solve for x
x = 8,275,413,821,191,715/80,052,904.96 - Step 6: Final answer
x = 103,374,310.09
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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.