Finding the Fourth Proportional to 75,305,656.80, 112,974,231.60 and 24,192,842.40
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Solution
The fourth proportional to 75,305,656.80, 112,974,231.60 and 24,192,842.40 is: 36,294,322.32
Step by Step Solution
- Step 1: Write the proportion equation
75,305,656.80 : 112,974,231.60 = 24,192,842.40 : x - Step 2: Convert to fraction form
75,305,656.80/112,974,231.60 = 24,192,842.40/x - Step 3: Cross multiply
75,305,656.80x = 112,974,231.60 × 24,192,842.40 - Step 4: Simplify right side
75,305,656.80x = 2,733,167,780,359,899.50 - Step 5: Solve for x
x = 2,733,167,780,359,899.50/75,305,656.80 - Step 6: Final answer
x = 36,294,322.32
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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.