Finding the Fourth Proportional to 122,354,218.50, 168,853,276.94 and 66,596,945.91
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Solution
The fourth proportional to 122,354,218.50, 168,853,276.94 and 66,596,945.91 is: 91,906,210.42
Step by Step Solution
- Step 1: Write the proportion equation
122,354,218.50 : 168,853,276.94 = 66,596,945.91 : x - Step 2: Convert to fraction form
122,354,218.50/168,853,276.94 = 66,596,945.91/x - Step 3: Cross multiply
122,354,218.50x = 168,853,276.94 × 66,596,945.91 - Step 4: Simplify right side
122,354,218.50x = 11,245,112,550,766,446 - Step 5: Solve for x
x = 11,245,112,550,766,446/122,354,218.50 - Step 6: Final answer
x = 91,906,210.42
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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.