Finding the Fourth Proportional to 196,587,620.70, 294,857,811.45 and 81,560,168.70
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Solution
The fourth proportional to 196,587,620.70, 294,857,811.45 and 81,560,168.70 is: 122,330,453.76
Step by Step Solution
- Step 1: Write the proportion equation
196,587,620.70 : 294,857,811.45 = 81,560,168.70 : x - Step 2: Convert to fraction form
196,587,620.70/294,857,811.45 = 81,560,168.70/x - Step 3: Cross multiply
196,587,620.70x = 294,857,811.45 × 81,560,168.70 - Step 4: Simplify right side
196,587,620.70x = 24,048,652,844,374,792 - Step 5: Solve for x
x = 24,048,652,844,374,792/196,587,620.70 - Step 6: Final answer
x = 122,330,453.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.