Finding the Fourth Proportional to 201,465,313.60, 302,197,970.40 and 161,154,529.60
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Solution
The fourth proportional to 201,465,313.60, 302,197,970.40 and 161,154,529.60 is: 241,731,794.40
Step by Step Solution
- Step 1: Write the proportion equation
201,465,313.60 : 302,197,970.40 = 161,154,529.60 : x - Step 2: Convert to fraction form
201,465,313.60/302,197,970.40 = 161,154,529.60/x - Step 3: Cross multiply
201,465,313.60x = 302,197,970.40 × 161,154,529.60 - Step 4: Simplify right side
201,465,313.60x = 48,700,571,765,886,720 - Step 5: Solve for x
x = 48,700,571,765,886,720/201,465,313.60 - Step 6: Final answer
x = 241,731,794.40
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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.