Finding the Fourth Proportional to 110,811,719.80, 166,217,579.70 and 91,937,351.80
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Solution
The fourth proportional to 110,811,719.80, 166,217,579.70 and 91,937,351.80 is: 137,906,027.70
Step by Step Solution
- Step 1: Write the proportion equation
110,811,719.80 : 166,217,579.70 = 91,937,351.80 : x - Step 2: Convert to fraction form
110,811,719.80/166,217,579.70 = 91,937,351.80/x - Step 3: Cross multiply
110,811,719.80x = 166,217,579.70 × 91,937,351.80 - Step 4: Simplify right side
110,811,719.80x = 15,281,604,100,223,436 - Step 5: Solve for x
x = 15,281,604,100,223,436/110,811,719.80 - Step 6: Final answer
x = 137,906,027.70
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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.