Finding the Fourth Proportional to 218,174,269.97, 301,086,881.19 and 119,061,403.74
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Solution
The fourth proportional to 218,174,269.97, 301,086,881.19 and 119,061,403.74 is: 164,308,223.54
Step by Step Solution
- Step 1: Write the proportion equation
218,174,269.97 : 301,086,881.19 = 119,061,403.74 : x - Step 2: Convert to fraction form
218,174,269.97/301,086,881.19 = 119,061,403.74/x - Step 3: Cross multiply
218,174,269.97x = 301,086,881.19 × 119,061,403.74 - Step 4: Simplify right side
218,174,269.97x = 35,847,826,722,180,000 - Step 5: Solve for x
x = 35,847,826,722,180,000/218,174,269.97 - Step 6: Final answer
x = 164,308,223.54
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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.