Finding the Fourth Proportional to 54,808,381.46, 75,635,564.75 and 30,029,507.09
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Solution
The fourth proportional to 54,808,381.46, 75,635,564.75 and 30,029,507.09 is: 41,440,718.88
Step by Step Solution
- Step 1: Write the proportion equation
54,808,381.46 : 75,635,564.75 = 30,029,507.09 : x - Step 2: Convert to fraction form
54,808,381.46/75,635,564.75 = 30,029,507.09/x - Step 3: Cross multiply
54,808,381.46x = 75,635,564.75 × 30,029,507.09 - Step 4: Simplify right side
54,808,381.46x = 2,271,298,728,067,831 - Step 5: Solve for x
x = 2,271,298,728,067,831/54,808,381.46 - Step 6: Final answer
x = 41,440,718.88
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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.