Finding the Fourth Proportional to 364,058,615.21, 546,028,135.70 and 156,741,211.40
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Solution
The fourth proportional to 364,058,615.21, 546,028,135.70 and 156,741,211.40 is: 235,086,076.45
Step by Step Solution
- Step 1: Write the proportion equation
364,058,615.21 : 546,028,135.70 = 156,741,211.40 : x - Step 2: Convert to fraction form
364,058,615.21/546,028,135.70 = 156,741,211.40/x - Step 3: Cross multiply
364,058,615.21x = 546,028,135.70 × 156,741,211.40 - Step 4: Simplify right side
364,058,615.21x = 85,585,111,448,682,960 - Step 5: Solve for x
x = 85,585,111,448,682,960/364,058,615.21 - Step 6: Final answer
x = 235,086,076.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.