Finding the Fourth Proportional to 117,504,078.36, 176,286,016.26 and 69,022,934.52
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Solution
The fourth proportional to 117,504,078.36, 176,286,016.26 and 69,022,934.52 is: 103,551,964.55
Step by Step Solution
- Step 1: Write the proportion equation
117,504,078.36 : 176,286,016.26 = 69,022,934.52 : x - Step 2: Convert to fraction form
117,504,078.36/176,286,016.26 = 69,022,934.52/x - Step 3: Cross multiply
117,504,078.36x = 176,286,016.26 × 69,022,934.52 - Step 4: Simplify right side
117,504,078.36x = 12,167,778,157,105,634 - Step 5: Solve for x
x = 12,167,778,157,105,634/117,504,078.36 - Step 6: Final answer
x = 103,551,964.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.