Finding the Fourth Proportional to 73,446,825.20, 110,170,237.80 and 33,136,041.20
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Solution
The fourth proportional to 73,446,825.20, 110,170,237.80 and 33,136,041.20 is: 49,704,061.80
Step by Step Solution
- Step 1: Write the proportion equation
73,446,825.20 : 110,170,237.80 = 33,136,041.20 : x - Step 2: Convert to fraction form
73,446,825.20/110,170,237.80 = 33,136,041.20/x - Step 3: Cross multiply
73,446,825.20x = 110,170,237.80 × 33,136,041.20 - Step 4: Simplify right side
73,446,825.20x = 3,650,605,538,754,597 - Step 5: Solve for x
x = 3,650,605,538,754,597/73,446,825.20 - Step 6: Final answer
x = 49,704,061.80
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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.