Finding the Fourth Proportional to 55,106,162.17, 76,046,481.79 and 30,326,349.02
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Solution
The fourth proportional to 55,106,162.17, 76,046,481.79 and 30,326,349.02 is: 41,850,349.53
Step by Step Solution
- Step 1: Write the proportion equation
55,106,162.17 : 76,046,481.79 = 30,326,349.02 : x - Step 2: Convert to fraction form
55,106,162.17/76,046,481.79 = 30,326,349.02/x - Step 3: Cross multiply
55,106,162.17x = 76,046,481.79 × 30,326,349.02 - Step 4: Simplify right side
55,106,162.17x = 2,306,212,148,050,566 - Step 5: Solve for x
x = 2,306,212,148,050,566/55,106,162.17 - Step 6: Final answer
x = 41,850,349.53
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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.