Finding the Fourth Proportional to 203,829,707.14, 281,288,231.78 and 115,721,906.92
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Solution
The fourth proportional to 203,829,707.14, 281,288,231.78 and 115,721,906.92 is: 159,698,068.71
Step by Step Solution
- Step 1: Write the proportion equation
203,829,707.14 : 281,288,231.78 = 115,721,906.92 : x - Step 2: Convert to fraction form
203,829,707.14/281,288,231.78 = 115,721,906.92/x - Step 3: Cross multiply
203,829,707.14x = 281,288,231.78 × 115,721,906.92 - Step 4: Simplify right side
203,829,707.14x = 32,551,210,575,736,544 - Step 5: Solve for x
x = 32,551,210,575,736,544/203,829,707.14 - Step 6: Final answer
x = 159,698,068.71
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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.