Finding the Fourth Proportional to 55,633,750.39, 76,779,171.66 and 30,861,923.97
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Solution
The fourth proportional to 55,633,750.39, 76,779,171.66 and 30,861,923.97 is: 42,592,004.70
Step by Step Solution
- Step 1: Write the proportion equation
55,633,750.39 : 76,779,171.66 = 30,861,923.97 : x - Step 2: Convert to fraction form
55,633,750.39/76,779,171.66 = 30,861,923.97/x - Step 3: Cross multiply
55,633,750.39x = 76,779,171.66 × 30,861,923.97 - Step 4: Simplify right side
55,633,750.39x = 2,369,552,958,156,623 - Step 5: Solve for x
x = 2,369,552,958,156,623/55,633,750.39 - Step 6: Final answer
x = 42,592,004.70
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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.