Finding the Fourth Proportional to 79,898,879.23, 110,229,081.42 and 46,402,656.24
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Solution
The fourth proportional to 79,898,879.23, 110,229,081.42 and 46,402,656.24 is: 64,017,445.84
Step by Step Solution
- Step 1: Write the proportion equation
79,898,879.23 : 110,229,081.42 = 46,402,656.24 : x - Step 2: Convert to fraction form
79,898,879.23/110,229,081.42 = 46,402,656.24/x - Step 3: Cross multiply
79,898,879.23x = 110,229,081.42 × 46,402,656.24 - Step 4: Simplify right side
79,898,879.23x = 5,114,922,173,370,600 - Step 5: Solve for x
x = 5,114,922,173,370,600/79,898,879.23 - Step 6: Final answer
x = 64,017,445.84
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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.