Finding the Fourth Proportional to 115,440,302.63, 173,436,700.92 and 74,022,326.07
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Solution
The fourth proportional to 115,440,302.63, 173,436,700.92 and 74,022,326.07 is: 111,210,623.46
Step by Step Solution
- Step 1: Write the proportion equation
115,440,302.63 : 173,436,700.92 = 74,022,326.07 : x - Step 2: Convert to fraction form
115,440,302.63/173,436,700.92 = 74,022,326.07/x - Step 3: Cross multiply
115,440,302.63x = 173,436,700.92 × 74,022,326.07 - Step 4: Simplify right side
115,440,302.63x = 12,838,188,028,005,306 - Step 5: Solve for x
x = 12,838,188,028,005,306/115,440,302.63 - Step 6: Final answer
x = 111,210,623.46
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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.