Finding the Fourth Proportional to 252,135,501.30, 378,203,251.95 and 154,775,510.10
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Solution
The fourth proportional to 252,135,501.30, 378,203,251.95 and 154,775,510.10 is: 232,163,265.15
Step by Step Solution
- Step 1: Write the proportion equation
252,135,501.30 : 378,203,251.95 = 154,775,510.10 : x - Step 2: Convert to fraction form
252,135,501.30/378,203,251.95 = 154,775,510.10/x - Step 3: Cross multiply
252,135,501.30x = 378,203,251.95 × 154,775,510.10 - Step 4: Simplify right side
252,135,501.30x = 58,536,601,242,040,064 - Step 5: Solve for x
x = 58,536,601,242,040,064/252,135,501.30 - Step 6: Final answer
x = 232,163,265.15
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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.