Finding the Fourth Proportional to 220,521,612.53, 304,337,616.99 and 126,444,513.36
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Solution
The fourth proportional to 220,521,612.53, 304,337,616.99 and 126,444,513.36 is: 174,503,629.99
Step by Step Solution
- Step 1: Write the proportion equation
220,521,612.53 : 304,337,616.99 = 126,444,513.36 : x - Step 2: Convert to fraction form
220,521,612.53/304,337,616.99 = 126,444,513.36/x - Step 3: Cross multiply
220,521,612.53x = 304,337,616.99 × 126,444,513.36 - Step 4: Simplify right side
220,521,612.53x = 38,481,821,877,442,616 - Step 5: Solve for x
x = 38,481,821,877,442,616/220,521,612.53 - Step 6: Final answer
x = 174,503,629.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.