Finding the Fourth Proportional to 48,956,805.20, 73,435,207.80 and 40,446,750.80
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Solution
The fourth proportional to 48,956,805.20, 73,435,207.80 and 40,446,750.80 is: 60,670,126.20
Step by Step Solution
- Step 1: Write the proportion equation
48,956,805.20 : 73,435,207.80 = 40,446,750.80 : x - Step 2: Convert to fraction form
48,956,805.20/73,435,207.80 = 40,446,750.80/x - Step 3: Cross multiply
48,956,805.20x = 73,435,207.80 × 40,446,750.80 - Step 4: Simplify right side
48,956,805.20x = 2,970,215,549,832,816 - Step 5: Solve for x
x = 2,970,215,549,832,816/48,956,805.20 - Step 6: Final answer
x = 60,670,126.20
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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.