Finding the Fourth Proportional to 49,236,993.75, 67,947,262.19 and 26,910,430.76
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Solution
The fourth proportional to 49,236,993.75, 67,947,262.19 and 26,910,430.76 is: 37,136,509.67
Step by Step Solution
- Step 1: Write the proportion equation
49,236,993.75 : 67,947,262.19 = 26,910,430.76 : x - Step 2: Convert to fraction form
49,236,993.75/67,947,262.19 = 26,910,430.76/x - Step 3: Cross multiply
49,236,993.75x = 67,947,262.19 × 26,910,430.76 - Step 4: Simplify right side
49,236,993.75x = 1,828,490,094,263,209.25 - Step 5: Solve for x
x = 1,828,490,094,263,209.25/49,236,993.75 - Step 6: Final answer
x = 37,136,509.67
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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.