Finding the Fourth Proportional to 118,361,690.48, 163,332,084.84 and 65,435,227.05
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Solution
The fourth proportional to 118,361,690.48, 163,332,084.84 and 65,435,227.05 is: 90,296,716.90
Step by Step Solution
- Step 1: Write the proportion equation
118,361,690.48 : 163,332,084.84 = 65,435,227.05 : x - Step 2: Convert to fraction form
118,361,690.48/163,332,084.84 = 65,435,227.05/x - Step 3: Cross multiply
118,361,690.48x = 163,332,084.84 × 65,435,227.05 - Step 4: Simplify right side
118,361,690.48x = 10,687,672,056,055,262 - Step 5: Solve for x
x = 10,687,672,056,055,262/118,361,690.48 - Step 6: Final answer
x = 90,296,716.90
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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.