Finding the Fourth Proportional to 153,379,615.84, 230,074,147.68 and 67,073,597.44
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Solution
The fourth proportional to 153,379,615.84, 230,074,147.68 and 67,073,597.44 is: 100,612,461.95
Step by Step Solution
- Step 1: Write the proportion equation
153,379,615.84 : 230,074,147.68 = 67,073,597.44 : x - Step 2: Convert to fraction form
153,379,615.84/230,074,147.68 = 67,073,597.44/x - Step 3: Cross multiply
153,379,615.84x = 230,074,147.68 × 67,073,597.44 - Step 4: Simplify right side
153,379,615.84x = 15,431,900,762,839,430 - Step 5: Solve for x
x = 15,431,900,762,839,430/153,379,615.84 - Step 6: Final answer
x = 100,612,461.95
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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.