Finding the Fourth Proportional to 96,441,767.40, 133,073,862.49 and 56,782,718.97
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Solution
The fourth proportional to 96,441,767.40, 133,073,862.49 and 56,782,718.97 is: 78,350,863.32
Step by Step Solution
- Step 1: Write the proportion equation
96,441,767.40 : 133,073,862.49 = 56,782,718.97 : x - Step 2: Convert to fraction form
96,441,767.40/133,073,862.49 = 56,782,718.97/x - Step 3: Cross multiply
96,441,767.40x = 133,073,862.49 × 56,782,718.97 - Step 4: Simplify right side
96,441,767.40x = 7,556,295,736,342,586 - Step 5: Solve for x
x = 7,556,295,736,342,586/96,441,767.40 - Step 6: Final answer
x = 78,350,863.32
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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.