Finding the Fourth Proportional to 65,203,475.90, 97,805,213.85 and 42,245,224.70
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Solution
The fourth proportional to 65,203,475.90, 97,805,213.85 and 42,245,224.70 is: 63,367,837.05
Step by Step Solution
- Step 1: Write the proportion equation
65,203,475.90 : 97,805,213.85 = 42,245,224.70 : x - Step 2: Convert to fraction form
65,203,475.90/97,805,213.85 = 42,245,224.70/x - Step 3: Cross multiply
65,203,475.90x = 97,805,213.85 × 42,245,224.70 - Step 4: Simplify right side
65,203,475.90x = 4,131,803,235,924,802 - Step 5: Solve for x
x = 4,131,803,235,924,802/65,203,475.90 - Step 6: Final answer
x = 63,367,837.05
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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.