Finding the Fourth Proportional to 117,950,528.80, 176,925,793.20 and 106,471,403.20
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Solution
The fourth proportional to 117,950,528.80, 176,925,793.20 and 106,471,403.20 is: 159,707,104.80
Step by Step Solution
- Step 1: Write the proportion equation
117,950,528.80 : 176,925,793.20 = 106,471,403.20 : x - Step 2: Convert to fraction form
117,950,528.80/176,925,793.20 = 106,471,403.20/x - Step 3: Cross multiply
117,950,528.80x = 176,925,793.20 × 106,471,403.20 - Step 4: Simplify right side
117,950,528.80x = 18,837,537,464,277,016 - Step 5: Solve for x
x = 18,837,537,464,277,016/117,950,528.80 - Step 6: Final answer
x = 159,707,104.80
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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.