Finding the Fourth Proportional to 55,106,163.86, 76,046,484.12 and 30,326,350.70
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Solution
The fourth proportional to 55,106,163.86, 76,046,484.12 and 30,326,350.70 is: 41,850,351.86
Step by Step Solution
- Step 1: Write the proportion equation
55,106,163.86 : 76,046,484.12 = 30,326,350.70 : x - Step 2: Convert to fraction form
55,106,163.86/76,046,484.12 = 30,326,350.70/x - Step 3: Cross multiply
55,106,163.86x = 76,046,484.12 × 30,326,350.70 - Step 4: Simplify right side
55,106,163.86x = 2,306,212,347,001,493 - Step 5: Solve for x
x = 2,306,212,347,001,493/55,106,163.86 - Step 6: Final answer
x = 41,850,351.86
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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.