Finding the Fourth Proportional to 129,330,217.80, 194,069,976.30 and 48,559,350.60
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Solution
The fourth proportional to 129,330,217.80, 194,069,976.30 and 48,559,350.60 is: 72,867,054.43
Step by Step Solution
- Step 1: Write the proportion equation
129,330,217.80 : 194,069,976.30 = 48,559,350.60 : x - Step 2: Convert to fraction form
129,330,217.80/194,069,976.30 = 48,559,350.60/x - Step 3: Cross multiply
129,330,217.80x = 194,069,976.30 × 48,559,350.60 - Step 4: Simplify right side
129,330,217.80x = 9,423,912,020,085,392 - Step 5: Solve for x
x = 9,423,912,020,085,392/129,330,217.80 - Step 6: Final answer
x = 72,867,054.43
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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.