Finding the Fourth Proportional to 91,135,015.26, 125,765,862.75 and 49,319,050.38
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Solution
The fourth proportional to 91,135,015.26, 125,765,862.75 and 49,319,050.38 is: 68,060,041.50
Step by Step Solution
- Step 1: Write the proportion equation
91,135,015.26 : 125,765,862.75 = 49,319,050.38 : x - Step 2: Convert to fraction form
91,135,015.26/125,765,862.75 = 49,319,050.38/x - Step 3: Cross multiply
91,135,015.26x = 125,765,862.75 × 49,319,050.38 - Step 4: Simplify right side
91,135,015.26x = 6,202,652,921,051,416 - Step 5: Solve for x
x = 6,202,652,921,051,416/91,135,015.26 - Step 6: Final answer
x = 68,060,041.50
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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.