Finding the Fourth Proportional to 53,148,475.98, 73,344,896.28 and 28,702,189.98
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Solution
The fourth proportional to 53,148,475.98, 73,344,896.28 and 28,702,189.98 is: 39,609,021.86
Step by Step Solution
- Step 1: Write the proportion equation
53,148,475.98 : 73,344,896.28 = 28,702,189.98 : x - Step 2: Convert to fraction form
53,148,475.98/73,344,896.28 = 28,702,189.98/x - Step 3: Cross multiply
53,148,475.98x = 73,344,896.28 × 28,702,189.98 - Step 4: Simplify right side
53,148,475.98x = 2,105,159,147,091,955.25 - Step 5: Solve for x
x = 2,105,159,147,091,955.25/53,148,475.98 - Step 6: Final answer
x = 39,609,021.86
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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.