Finding the Fourth Proportional to 148,520,313.12, 222,780,163.36 and 83,794,735.84
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Solution
The fourth proportional to 148,520,313.12, 222,780,163.36 and 83,794,735.84 is: 125,691,930.94
Step by Step Solution
- Step 1: Write the proportion equation
148,520,313.12 : 222,780,163.36 = 83,794,735.84 : x - Step 2: Convert to fraction form
148,520,313.12/222,780,163.36 = 83,794,735.84/x - Step 3: Cross multiply
148,520,313.12x = 222,780,163.36 × 83,794,735.84 - Step 4: Simplify right side
148,520,313.12x = 18,667,804,939,143,248 - Step 5: Solve for x
x = 18,667,804,939,143,248/148,520,313.12 - Step 6: Final answer
x = 125,691,930.94
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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.