Finding the Fourth Proportional to 63,013,471.80, 94,520,207.70 and 15,144,415.80
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Solution
The fourth proportional to 63,013,471.80, 94,520,207.70 and 15,144,415.80 is: 22,716,623.70
Step by Step Solution
- Step 1: Write the proportion equation
63,013,471.80 : 94,520,207.70 = 15,144,415.80 : x - Step 2: Convert to fraction form
63,013,471.80/94,520,207.70 = 15,144,415.80/x - Step 3: Cross multiply
63,013,471.80x = 94,520,207.70 × 15,144,415.80 - Step 4: Simplify right side
63,013,471.80x = 1,431,453,326,911,161.75 - Step 5: Solve for x
x = 1,431,453,326,911,161.75/63,013,471.80 - Step 6: Final answer
x = 22,716,623.70
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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.