Finding the Fourth Proportional to 236,197,991.40, 354,296,987.10 and 203,886,378.60
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Solution
The fourth proportional to 236,197,991.40, 354,296,987.10 and 203,886,378.60 is: 305,829,567.90
Step by Step Solution
- Step 1: Write the proportion equation
236,197,991.40 : 354,296,987.10 = 203,886,378.60 : x - Step 2: Convert to fraction form
236,197,991.40/354,296,987.10 = 203,886,378.60/x - Step 3: Cross multiply
236,197,991.40x = 354,296,987.10 × 203,886,378.60 - Step 4: Simplify right side
236,197,991.40x = 72,236,329,648,709,920 - Step 5: Solve for x
x = 72,236,329,648,709,920/236,197,991.40 - Step 6: Final answer
x = 305,829,567.90
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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.