Finding the Fourth Proportional to 279,929,357.26, 420,081,326.16 and 116,167,108.26
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Solution
The fourth proportional to 279,929,357.26, 420,081,326.16 and 116,167,108.26 is: 174,328,385.46
Step by Step Solution
- Step 1: Write the proportion equation
279,929,357.26 : 420,081,326.16 = 116,167,108.26 : x - Step 2: Convert to fraction form
279,929,357.26/420,081,326.16 = 116,167,108.26/x - Step 3: Cross multiply
279,929,357.26x = 420,081,326.16 × 116,167,108.26 - Step 4: Simplify right side
279,929,357.26x = 48,799,632,894,033,096 - Step 5: Solve for x
x = 48,799,632,894,033,096/279,929,357.26 - Step 6: Final answer
x = 174,328,385.46
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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.