Finding the Fourth Proportional to 61,853,190.74, 85,352,425.38 and 35,749,399.31
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Solution
The fourth proportional to 61,853,190.74, 85,352,425.38 and 35,749,399.31 is: 49,331,293.99
Step by Step Solution
- Step 1: Write the proportion equation
61,853,190.74 : 85,352,425.38 = 35,749,399.31 : x - Step 2: Convert to fraction form
61,853,190.74/85,352,425.38 = 35,749,399.31/x - Step 3: Cross multiply
61,853,190.74x = 85,352,425.38 × 35,749,399.31 - Step 4: Simplify right side
61,853,190.74x = 3,051,297,936,559,836 - Step 5: Solve for x
x = 3,051,297,936,559,836/61,853,190.74 - Step 6: Final answer
x = 49,331,293.99
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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.