Finding the Fourth Proportional to 57,526,421.32, 79,385,988.50 and 31,420,956.84
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Solution
The fourth proportional to 57,526,421.32, 79,385,988.50 and 31,420,956.84 is: 43,360,662.12
Step by Step Solution
- Step 1: Write the proportion equation
57,526,421.32 : 79,385,988.50 = 31,420,956.84 : x - Step 2: Convert to fraction form
57,526,421.32/79,385,988.50 = 31,420,956.84/x - Step 3: Cross multiply
57,526,421.32x = 79,385,988.50 × 31,420,956.84 - Step 4: Simplify right side
57,526,421.32x = 2,494,383,717,805,202 - Step 5: Solve for x
x = 2,494,383,717,805,202/57,526,421.32 - Step 6: Final answer
x = 43,360,662.12
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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.