Finding the Fourth Proportional to 248,184,430.10, 372,276,645.15 and 66,431,608.10
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Solution
The fourth proportional to 248,184,430.10, 372,276,645.15 and 66,431,608.10 is: 99,647,412.15
Step by Step Solution
- Step 1: Write the proportion equation
248,184,430.10 : 372,276,645.15 = 66,431,608.10 : x - Step 2: Convert to fraction form
248,184,430.10/372,276,645.15 = 66,431,608.10/x - Step 3: Cross multiply
248,184,430.10x = 372,276,645.15 × 66,431,608.10 - Step 4: Simplify right side
248,184,430.10x = 24,730,936,195,387,564 - Step 5: Solve for x
x = 24,730,936,195,387,564/248,184,430.10 - Step 6: Final answer
x = 99,647,412.15
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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.