Finding the Fourth Proportional to 155,423,999.10, 233,135,998.65 and 47,704,626.30
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Solution
The fourth proportional to 155,423,999.10, 233,135,998.65 and 47,704,626.30 is: 71,556,939.45
Step by Step Solution
- Step 1: Write the proportion equation
155,423,999.10 : 233,135,998.65 = 47,704,626.30 : x - Step 2: Convert to fraction form
155,423,999.10/233,135,998.65 = 47,704,626.30/x - Step 3: Cross multiply
155,423,999.10x = 233,135,998.65 × 47,704,626.30 - Step 4: Simplify right side
155,423,999.10x = 11,121,665,692,675,554 - Step 5: Solve for x
x = 11,121,665,692,675,554/155,423,999.10 - Step 6: Final answer
x = 71,556,939.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.