Finding the Fourth Proportional to 117,244,177.38, 161,816,370.12 and 65,050,028.19
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Solution
The fourth proportional to 117,244,177.38, 161,816,370.12 and 65,050,028.19 is: 89,779,805.47
Step by Step Solution
- Step 1: Write the proportion equation
117,244,177.38 : 161,816,370.12 = 65,050,028.19 : x - Step 2: Convert to fraction form
117,244,177.38/161,816,370.12 = 65,050,028.19/x - Step 3: Cross multiply
117,244,177.38x = 161,816,370.12 × 65,050,028.19 - Step 4: Simplify right side
117,244,177.38x = 10,526,159,437,909,474 - Step 5: Solve for x
x = 10,526,159,437,909,474/117,244,177.38 - Step 6: Final answer
x = 89,779,805.47
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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.