Finding the Fourth Proportional to 220,387,015.88, 304,124,963.15 and 119,915,866.41
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Solution
The fourth proportional to 220,387,015.88, 304,124,963.15 and 119,915,866.41 is: 165,478,933.99
Step by Step Solution
- Step 1: Write the proportion equation
220,387,015.88 : 304,124,963.15 = 119,915,866.41 : x - Step 2: Convert to fraction form
220,387,015.88/304,124,963.15 = 119,915,866.41/x - Step 3: Cross multiply
220,387,015.88x = 304,124,963.15 × 119,915,866.41 - Step 4: Simplify right side
220,387,015.88x = 36,469,408,452,441,992 - Step 5: Solve for x
x = 36,469,408,452,441,992/220,387,015.88 - Step 6: Final answer
x = 165,478,933.99
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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.