Finding the Fourth Proportional to 68,019,326.91, 102,029,064.21 and 16,901,345.70
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Solution
The fourth proportional to 68,019,326.91, 102,029,064.21 and 16,901,345.70 is: 25,352,036.90
Step by Step Solution
- Step 1: Write the proportion equation
68,019,326.91 : 102,029,064.21 = 16,901,345.70 : x - Step 2: Convert to fraction form
68,019,326.91/102,029,064.21 = 16,901,345.70/x - Step 3: Cross multiply
68,019,326.91x = 102,029,064.21 × 16,901,345.70 - Step 4: Simplify right side
68,019,326.91x = 1,724,428,485,660,707.25 - Step 5: Solve for x
x = 1,724,428,485,660,707.25/68,019,326.91 - Step 6: Final answer
x = 25,352,036.90
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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.