Finding the Fourth Proportional to 308,191,321.08, 425,303,920.49 and 168,959,093.49
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Solution
The fourth proportional to 308,191,321.08, 425,303,920.49 and 168,959,093.49 is: 233,163,492.77
Step by Step Solution
- Step 1: Write the proportion equation
308,191,321.08 : 425,303,920.49 = 168,959,093.49 : x - Step 2: Convert to fraction form
308,191,321.08/425,303,920.49 = 168,959,093.49/x - Step 3: Cross multiply
308,191,321.08x = 425,303,920.49 × 168,959,093.49 - Step 4: Simplify right side
308,191,321.08x = 71,858,964,862,888,648 - Step 5: Solve for x
x = 71,858,964,862,888,648/308,191,321.08 - Step 6: Final answer
x = 233,163,492.77
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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.