Finding the Fourth Proportional to 144,982,728.19, 217,187,112.70 and 126,807,445.99
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Solution
The fourth proportional to 144,982,728.19, 217,187,112.70 and 126,807,445.99 is: 189,960,165.65
Step by Step Solution
- Step 1: Write the proportion equation
144,982,728.19 : 217,187,112.70 = 126,807,445.99 : x - Step 2: Convert to fraction form
144,982,728.19/217,187,112.70 = 126,807,445.99/x - Step 3: Cross multiply
144,982,728.19x = 217,187,112.70 × 126,807,445.99 - Step 4: Simplify right side
144,982,728.19x = 27,540,943,063,429,292 - Step 5: Solve for x
x = 27,540,943,063,429,292/144,982,728.19 - Step 6: Final answer
x = 189,960,165.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.