Finding the Fourth Proportional to 186,605,129.20, 257,566,297.72 and 108,313,905.68
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Solution
The fourth proportional to 186,605,129.20, 257,566,297.72 and 108,313,905.68 is: 149,502,919.87
Step by Step Solution
- Step 1: Write the proportion equation
186,605,129.20 : 257,566,297.72 = 108,313,905.68 : x - Step 2: Convert to fraction form
186,605,129.20/257,566,297.72 = 108,313,905.68/x - Step 3: Cross multiply
186,605,129.20x = 257,566,297.72 × 108,313,905.68 - Step 4: Simplify right side
186,605,129.20x = 27,898,011,677,590,880 - Step 5: Solve for x
x = 27,898,011,677,590,880/186,605,129.20 - Step 6: Final answer
x = 149,502,919.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.