Finding the Fourth Proportional to 230,203,911.11, 317,685,672.47 and 125,788,745.39
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Solution
The fourth proportional to 230,203,911.11, 317,685,672.47 and 125,788,745.39 is: 173,590,804.67
Step by Step Solution
- Step 1: Write the proportion equation
230,203,911.11 : 317,685,672.47 = 125,788,745.39 : x - Step 2: Convert to fraction form
230,203,911.11/317,685,672.47 = 125,788,745.39/x - Step 3: Cross multiply
230,203,911.11x = 317,685,672.47 × 125,788,745.39 - Step 4: Simplify right side
230,203,911.11x = 39,961,282,167,105,808 - Step 5: Solve for x
x = 39,961,282,167,105,808/230,203,911.11 - Step 6: Final answer
x = 173,590,804.67
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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.