Finding the Fourth Proportional to 91,164,122.12, 125,801,710.26 and 49,903,110.92
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Solution
The fourth proportional to 91,164,122.12, 125,801,710.26 and 49,903,110.92 is: 68,863,677.45
Step by Step Solution
- Step 1: Write the proportion equation
91,164,122.12 : 125,801,710.26 = 49,903,110.92 : x - Step 2: Convert to fraction form
91,164,122.12/125,801,710.26 = 49,903,110.92/x - Step 3: Cross multiply
91,164,122.12x = 125,801,710.26 × 49,903,110.92 - Step 4: Simplify right side
91,164,122.12x = 6,277,896,701,030,483 - Step 5: Solve for x
x = 6,277,896,701,030,483/91,164,122.12 - Step 6: Final answer
x = 68,863,677.45
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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.