Finding the Fourth Proportional to 45,971,712.54, 68,957,568.09 and 43,672,934.70
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Solution
The fourth proportional to 45,971,712.54, 68,957,568.09 and 43,672,934.70 is: 65,509,401.37
Step by Step Solution
- Step 1: Write the proportion equation
45,971,712.54 : 68,957,568.09 = 43,672,934.70 : x - Step 2: Convert to fraction form
45,971,712.54/68,957,568.09 = 43,672,934.70/x - Step 3: Cross multiply
45,971,712.54x = 68,957,568.09 × 43,672,934.70 - Step 4: Simplify right side
45,971,712.54x = 3,011,579,368,265,374 - Step 5: Solve for x
x = 3,011,579,368,265,374/45,971,712.54 - Step 6: Final answer
x = 65,509,401.37
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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.