Finding the Fourth Proportional to 248,433,353.10, 372,667,744.35 and 75,909,889.80
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Solution
The fourth proportional to 248,433,353.10, 372,667,744.35 and 75,909,889.80 is: 113,870,247.50
Step by Step Solution
- Step 1: Write the proportion equation
248,433,353.10 : 372,667,744.35 = 75,909,889.80 : x - Step 2: Convert to fraction form
248,433,353.10/372,667,744.35 = 75,909,889.80/x - Step 3: Cross multiply
248,433,353.10x = 372,667,744.35 × 75,909,889.80 - Step 4: Simplify right side
248,433,353.10x = 28,289,167,405,623,072 - Step 5: Solve for x
x = 28,289,167,405,623,072/248,433,353.10 - Step 6: Final answer
x = 113,870,247.50
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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.