Finding the Fourth Proportional to 134,990,457.54, 186,286,256.78 and 75,451,674.84
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Solution
The fourth proportional to 134,990,457.54, 186,286,256.78 and 75,451,674.84 is: 104,122,990.09
Step by Step Solution
- Step 1: Write the proportion equation
134,990,457.54 : 186,286,256.78 = 75,451,674.84 : x - Step 2: Convert to fraction form
134,990,457.54/186,286,256.78 = 75,451,674.84/x - Step 3: Cross multiply
134,990,457.54x = 186,286,256.78 × 75,451,674.84 - Step 4: Simplify right side
134,990,457.54x = 14,055,610,073,348,048 - Step 5: Solve for x
x = 14,055,610,073,348,048/134,990,457.54 - Step 6: Final answer
x = 104,122,990.09
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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.