Finding the Fourth Proportional to 55,293,549.42, 76,306,930.86 and 30,177,034.02
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Solution
The fourth proportional to 55,293,549.42, 76,306,930.86 and 30,177,034.02 is: 41,645,307.14
Step by Step Solution
- Step 1: Write the proportion equation
55,293,549.42 : 76,306,930.86 = 30,177,034.02 : x - Step 2: Convert to fraction form
55,293,549.42/76,306,930.86 = 30,177,034.02/x - Step 3: Cross multiply
55,293,549.42x = 76,306,930.86 × 30,177,034.02 - Step 4: Simplify right side
55,293,549.42x = 2,302,716,848,524,008 - Step 5: Solve for x
x = 2,302,716,848,524,008/55,293,549.42 - Step 6: Final answer
x = 41,645,307.14
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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.