Finding the Fourth Proportional to 75,863,275.12, 104,691,318.40 and 41,055,965.56
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Solution
The fourth proportional to 75,863,275.12, 104,691,318.40 and 41,055,965.56 is: 56,657,231.79
Step by Step Solution
- Step 1: Write the proportion equation
75,863,275.12 : 104,691,318.40 = 41,055,965.56 : x - Step 2: Convert to fraction form
75,863,275.12/104,691,318.40 = 41,055,965.56/x - Step 3: Cross multiply
75,863,275.12x = 104,691,318.40 × 41,055,965.56 - Step 4: Simplify right side
75,863,275.12x = 4,298,203,162,661,395 - Step 5: Solve for x
x = 4,298,203,162,661,395/75,863,275.12 - Step 6: Final answer
x = 56,657,231.79
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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.