Finding the Fourth Proportional to 75,663,526.38, 113,080,718.69 and 55,236,261.12
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Solution
The fourth proportional to 75,663,526.38, 113,080,718.69 and 55,236,261.12 is: 82,551,744.60
Step by Step Solution
- Step 1: Write the proportion equation
75,663,526.38 : 113,080,718.69 = 55,236,261.12 : x - Step 2: Convert to fraction form
75,663,526.38/113,080,718.69 = 55,236,261.12/x - Step 3: Cross multiply
75,663,526.38x = 113,080,718.69 × 55,236,261.12 - Step 4: Simplify right side
75,663,526.38x = 6,246,156,104,921,923 - Step 5: Solve for x
x = 6,246,156,104,921,923/75,663,526.38 - Step 6: Final answer
x = 82,551,744.60
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.