Finding the Fourth Proportional to 98,496,619.70, 147,744,929.55 and 26,693,035.70
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Solution
The fourth proportional to 98,496,619.70, 147,744,929.55 and 26,693,035.70 is: 40,039,553.55
Step by Step Solution
- Step 1: Write the proportion equation
98,496,619.70 : 147,744,929.55 = 26,693,035.70 : x - Step 2: Convert to fraction form
98,496,619.70/147,744,929.55 = 26,693,035.70/x - Step 3: Cross multiply
98,496,619.70x = 147,744,929.55 × 26,693,035.70 - Step 4: Simplify right side
98,496,619.70x = 3,943,760,678,972,135 - Step 5: Solve for x
x = 3,943,760,678,972,135/98,496,619.70 - Step 6: Final answer
x = 40,039,553.55
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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.