Finding the Fourth Proportional to 49,207,615.20, 73,811,422.80 and 46,373,263.20
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Solution
The fourth proportional to 49,207,615.20, 73,811,422.80 and 46,373,263.20 is: 69,559,894.80
Step by Step Solution
- Step 1: Write the proportion equation
49,207,615.20 : 73,811,422.80 = 46,373,263.20 : x - Step 2: Convert to fraction form
49,207,615.20/73,811,422.80 = 46,373,263.20/x - Step 3: Cross multiply
49,207,615.20x = 73,811,422.80 × 46,373,263.20 - Step 4: Simplify right side
49,207,615.20x = 3,422,876,536,670,881 - Step 5: Solve for x
x = 3,422,876,536,670,881/49,207,615.20 - Step 6: Final answer
x = 69,559,894.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.