Finding the Fourth Proportional to 199,478,194.05, 298,957,752.91 and 81,165,073.44
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Solution
The fourth proportional to 199,478,194.05, 298,957,752.91 and 81,165,073.44 is: 121,642,007.47
Step by Step Solution
- Step 1: Write the proportion equation
199,478,194.05 : 298,957,752.91 = 81,165,073.44 : x - Step 2: Convert to fraction form
199,478,194.05/298,957,752.91 = 81,165,073.44/x - Step 3: Cross multiply
199,478,194.05x = 298,957,752.91 × 81,165,073.44 - Step 4: Simplify right side
199,478,194.05x = 24,264,927,970,397,524 - Step 5: Solve for x
x = 24,264,927,970,397,524/199,478,194.05 - Step 6: Final answer
x = 121,642,007.47
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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.