Finding the Fourth Proportional to 83,660,958.19, 115,454,922.58 and 46,492,805.04
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Solution
The fourth proportional to 83,660,958.19, 115,454,922.58 and 46,492,805.04 is: 64,161,627.15
Step by Step Solution
- Step 1: Write the proportion equation
83,660,958.19 : 115,454,922.58 = 46,492,805.04 : x - Step 2: Convert to fraction form
83,660,958.19/115,454,922.58 = 46,492,805.04/x - Step 3: Cross multiply
83,660,958.19x = 115,454,922.58 × 46,492,805.04 - Step 4: Simplify right side
83,660,958.19x = 5,367,823,206,420,234 - Step 5: Solve for x
x = 5,367,823,206,420,234/83,660,958.19 - Step 6: Final answer
x = 64,161,627.15
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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.