Finding the Fourth Proportional to 220,045,469.67, 330,115,837.50 and 66,703,089.87
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Solution
The fourth proportional to 220,045,469.67, 330,115,837.50 and 66,703,089.87 is: 100,069,073.95
Step by Step Solution
- Step 1: Write the proportion equation
220,045,469.67 : 330,115,837.50 = 66,703,089.87 : x - Step 2: Convert to fraction form
220,045,469.67/330,115,837.50 = 66,703,089.87/x - Step 3: Cross multiply
220,045,469.67x = 330,115,837.50 × 66,703,089.87 - Step 4: Simplify right side
220,045,469.67x = 22,019,746,376,272,816 - Step 5: Solve for x
x = 22,019,746,376,272,816/220,045,469.67 - Step 6: Final answer
x = 100,069,073.95
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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.