Finding the Fourth Proportional to 203,937,609.60, 281,430,344.64 and 111,118,884.48
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Solution
The fourth proportional to 203,937,609.60, 281,430,344.64 and 111,118,884.48 is: 153,342,122.70
Step by Step Solution
- Step 1: Write the proportion equation
203,937,609.60 : 281,430,344.64 = 111,118,884.48 : x - Step 2: Convert to fraction form
203,937,609.60/281,430,344.64 = 111,118,884.48/x - Step 3: Cross multiply
203,937,609.60x = 281,430,344.64 × 111,118,884.48 - Step 4: Simplify right side
203,937,609.60x = 31,272,225,955,218,748 - Step 5: Solve for x
x = 31,272,225,955,218,748/203,937,609.60 - Step 6: Final answer
x = 153,342,122.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.