Finding the Fourth Proportional to 52,207,934.80, 78,311,902.20 and 44,481,701.20
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Solution
The fourth proportional to 52,207,934.80, 78,311,902.20 and 44,481,701.20 is: 66,722,551.80
Step by Step Solution
- Step 1: Write the proportion equation
52,207,934.80 : 78,311,902.20 = 44,481,701.20 : x - Step 2: Convert to fraction form
52,207,934.80/78,311,902.20 = 44,481,701.20/x - Step 3: Cross multiply
52,207,934.80x = 78,311,902.20 × 44,481,701.20 - Step 4: Simplify right side
52,207,934.80x = 3,483,446,634,064,023 - Step 5: Solve for x
x = 3,483,446,634,064,023/52,207,934.80 - Step 6: Final answer
x = 66,722,551.80
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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.