Finding the Fourth Proportional to 116,529,871.02, 160,787,216.64 and 66,960,667.99
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Solution
The fourth proportional to 116,529,871.02, 160,787,216.64 and 66,960,667.99 is: 92,391,927.81
Step by Step Solution
- Step 1: Write the proportion equation
116,529,871.02 : 160,787,216.64 = 66,960,667.99 : x - Step 2: Convert to fraction form
116,529,871.02/160,787,216.64 = 66,960,667.99/x - Step 3: Cross multiply
116,529,871.02x = 160,787,216.64 × 66,960,667.99 - Step 4: Simplify right side
116,529,871.02x = 10,766,419,430,467,242 - Step 5: Solve for x
x = 10,766,419,430,467,242/116,529,871.02 - Step 6: Final answer
x = 92,391,927.81
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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.