Finding the Fourth Proportional to 65,745,535.07, 90,731,515.35 and 36,376,391.99
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Solution
The fourth proportional to 65,745,535.07, 90,731,515.35 and 36,376,391.99 is: 50,200,902.08
Step by Step Solution
- Step 1: Write the proportion equation
65,745,535.07 : 90,731,515.35 = 36,376,391.99 : x - Step 2: Convert to fraction form
65,745,535.07/90,731,515.35 = 36,376,391.99/x - Step 3: Cross multiply
65,745,535.07x = 90,731,515.35 × 36,376,391.99 - Step 4: Simplify right side
65,745,535.07x = 3,300,485,167,764,644 - Step 5: Solve for x
x = 3,300,485,167,764,644/65,745,535.07 - Step 6: Final answer
x = 50,200,902.08
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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.