Finding the Fourth Proportional to 134,272,039.70, 201,491,003.55 and 53,484,583.70
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Solution
The fourth proportional to 134,272,039.70, 201,491,003.55 and 53,484,583.70 is: 80,259,914.63
Step by Step Solution
- Step 1: Write the proportion equation
134,272,039.70 : 201,491,003.55 = 53,484,583.70 : x - Step 2: Convert to fraction form
134,272,039.70/201,491,003.55 = 53,484,583.70/x - Step 3: Cross multiply
134,272,039.70x = 201,491,003.55 × 53,484,583.70 - Step 4: Simplify right side
134,272,039.70x = 10,776,662,444,166,974 - Step 5: Solve for x
x = 10,776,662,444,166,974/134,272,039.70 - Step 6: Final answer
x = 80,259,914.63
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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.