Finding the Fourth Proportional to 117,632,296.26, 162,337,047.60 and 65,425,107.06
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Solution
The fourth proportional to 117,632,296.26, 162,337,047.60 and 65,425,107.06 is: 90,289,138.75
Step by Step Solution
- Step 1: Write the proportion equation
117,632,296.26 : 162,337,047.60 = 65,425,107.06 : x - Step 2: Convert to fraction form
117,632,296.26/162,337,047.60 = 65,425,107.06/x - Step 3: Cross multiply
117,632,296.26x = 162,337,047.60 × 65,425,107.06 - Step 4: Simplify right side
117,632,296.26x = 10,620,918,719,034,316 - Step 5: Solve for x
x = 10,620,918,719,034,316/117,632,296.26 - Step 6: Final answer
x = 90,289,138.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.