Finding the Fourth Proportional to 84,403,021.85, 126,586,817.76 and 23,804,576.09
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Solution
The fourth proportional to 84,403,021.85, 126,586,817.76 and 23,804,576.09 is: 35,701,867.89
Step by Step Solution
- Step 1: Write the proportion equation
84,403,021.85 : 126,586,817.76 = 23,804,576.09 : x - Step 2: Convert to fraction form
84,403,021.85/126,586,817.76 = 23,804,576.09/x - Step 3: Cross multiply
84,403,021.85x = 126,586,817.76 × 23,804,576.09 - Step 4: Simplify right side
84,403,021.85x = 3,013,345,535,358,883.50 - Step 5: Solve for x
x = 3,013,345,535,358,883.50/84,403,021.85 - Step 6: Final answer
x = 35,701,867.89
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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.