Finding the Fourth Proportional to 48,210,793.96, 66,492,417.06 and 31,707,865.08
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Solution
The fourth proportional to 48,210,793.96, 66,492,417.06 and 31,707,865.08 is: 43,731,546.73
Step by Step Solution
- Step 1: Write the proportion equation
48,210,793.96 : 66,492,417.06 = 31,707,865.08 : x - Step 2: Convert to fraction form
48,210,793.96/66,492,417.06 = 31,707,865.08/x - Step 3: Cross multiply
48,210,793.96x = 66,492,417.06 × 31,707,865.08 - Step 4: Simplify right side
48,210,793.96x = 2,108,332,588,981,570.25 - Step 5: Solve for x
x = 2,108,332,588,981,570.25/48,210,793.96 - Step 6: Final answer
x = 43,731,546.73
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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.