Finding the Fourth Proportional to 199,829,786.92, 275,612,420.82 and 171,999,107.08
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Solution
The fourth proportional to 199,829,786.92, 275,612,420.82 and 171,999,107.08 is: 237,227,347.39
Step by Step Solution
- Step 1: Write the proportion equation
199,829,786.92 : 275,612,420.82 = 171,999,107.08 : x - Step 2: Convert to fraction form
199,829,786.92/275,612,420.82 = 171,999,107.08/x - Step 3: Cross multiply
199,829,786.92x = 275,612,420.82 × 171,999,107.08 - Step 4: Simplify right side
199,829,786.92x = 47,405,090,281,197,200 - Step 5: Solve for x
x = 47,405,090,281,197,200/199,829,786.92 - Step 6: Final answer
x = 237,227,347.39
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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.