Finding the Fourth Proportional to 116,529,873.02, 160,787,219.40 and 66,960,669.99
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Solution
The fourth proportional to 116,529,873.02, 160,787,219.40 and 66,960,669.99 is: 92,391,930.57
Step by Step Solution
- Step 1: Write the proportion equation
116,529,873.02 : 160,787,219.40 = 66,960,669.99 : x - Step 2: Convert to fraction form
116,529,873.02/160,787,219.40 = 66,960,669.99/x - Step 3: Cross multiply
116,529,873.02x = 160,787,219.40 × 66,960,669.99 - Step 4: Simplify right side
116,529,873.02x = 10,766,419,936,853,126 - Step 5: Solve for x
x = 10,766,419,936,853,126/116,529,873.02 - Step 6: Final answer
x = 92,391,930.57
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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.