Finding the Fourth Proportional to 84,194,867.18, 126,296,828.01 and 26,691,622.38
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Solution
The fourth proportional to 84,194,867.18, 126,296,828.01 and 26,691,622.38 is: 40,038,868.80
Step by Step Solution
- Step 1: Write the proportion equation
84,194,867.18 : 126,296,828.01 = 26,691,622.38 : x - Step 2: Convert to fraction form
84,194,867.18/126,296,828.01 = 26,691,622.38/x - Step 3: Cross multiply
84,194,867.18x = 126,296,828.01 × 26,691,622.38 - Step 4: Simplify right side
84,194,867.18x = 3,371,067,240,269,784.50 - Step 5: Solve for x
x = 3,371,067,240,269,784.50/84,194,867.18 - Step 6: Final answer
x = 40,038,868.80
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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.