Finding the Fourth Proportional to 115,434,207.40, 159,299,359.79 and 62,511,006.27
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Solution
The fourth proportional to 115,434,207.40, 159,299,359.79 and 62,511,006.27 is: 86,265,271.82
Step by Step Solution
- Step 1: Write the proportion equation
115,434,207.40 : 159,299,359.79 = 62,511,006.27 : x - Step 2: Convert to fraction form
115,434,207.40/159,299,359.79 = 62,511,006.27/x - Step 3: Cross multiply
115,434,207.40x = 159,299,359.79 × 62,511,006.27 - Step 4: Simplify right side
115,434,207.40x = 9,957,963,278,639,676 - Step 5: Solve for x
x = 9,957,963,278,639,676/115,434,207.40 - Step 6: Final answer
x = 86,265,271.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.