Finding the Fourth Proportional to 53,148,481.48, 73,344,903.87 and 28,702,195.48
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Solution
The fourth proportional to 53,148,481.48, 73,344,903.87 and 28,702,195.48 is: 39,609,029.45
Step by Step Solution
- Step 1: Write the proportion equation
53,148,481.48 : 73,344,903.87 = 28,702,195.48 : x - Step 2: Convert to fraction form
53,148,481.48/73,344,903.87 = 28,702,195.48/x - Step 3: Cross multiply
53,148,481.48x = 73,344,903.87 × 28,702,195.48 - Step 4: Simplify right side
53,148,481.48x = 2,105,159,768,338,548.75 - Step 5: Solve for x
x = 2,105,159,768,338,548.75/53,148,481.48 - Step 6: Final answer
x = 39,609,029.45
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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.