Finding the Fourth Proportional to 91,164,173.12, 125,801,780.48 and 49,903,161.92
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Solution
The fourth proportional to 91,164,173.12, 125,801,780.48 and 49,903,161.92 is: 68,863,747.75
Step by Step Solution
- Step 1: Write the proportion equation
91,164,173.12 : 125,801,780.48 = 49,903,161.92 : x - Step 2: Convert to fraction form
91,164,173.12/125,801,780.48 = 49,903,161.92/x - Step 3: Cross multiply
91,164,173.12x = 125,801,780.48 × 49,903,161.92 - Step 4: Simplify right side
91,164,173.12x = 6,277,906,621,117,736 - Step 5: Solve for x
x = 6,277,906,621,117,736/91,164,173.12 - Step 6: Final answer
x = 68,863,747.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.