Finding the Fourth Proportional to 108,474,067.87, 149,695,293.30 and 58,915,411
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Solution
The fourth proportional to 108,474,067.87, 149,695,293.30 and 58,915,411 is: 81,303,853.56
Step by Step Solution
- Step 1: Write the proportion equation
108,474,067.87 : 149,695,293.30 = 58,915,411 : x - Step 2: Convert to fraction form
108,474,067.87/149,695,293.30 = 58,915,411/x - Step 3: Cross multiply
108,474,067.87x = 149,695,293.30 × 58,915,411 - Step 4: Simplify right side
108,474,067.87x = 8,819,359,729,535,047 - Step 5: Solve for x
x = 8,819,359,729,535,047/108,474,067.87 - Step 6: Final answer
x = 81,303,853.56
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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.