Finding the Fourth Proportional to 159,901,872, 220,660,521.99 and 89,338,025.40
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Solution
The fourth proportional to 159,901,872, 220,660,521.99 and 89,338,025.40 is: 123,284,205.94
Step by Step Solution
- Step 1: Write the proportion equation
159,901,872 : 220,660,521.99 = 89,338,025.40 : x - Step 2: Convert to fraction form
159,901,872/220,660,521.99 = 89,338,025.40/x - Step 3: Cross multiply
159,901,872x = 220,660,521.99 × 89,338,025.40 - Step 4: Simplify right side
159,901,872x = 19,713,375,318,319,880 - Step 5: Solve for x
x = 19,713,375,318,319,880/159,901,872 - Step 6: Final answer
x = 123,284,205.94
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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.