Finding the Fourth Proportional to 128,846,958.40, 193,245,493.91 and 50,063,330.48
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Solution
The fourth proportional to 128,846,958.40, 193,245,493.91 and 50,063,330.48 is: 75,085,303.88
Step by Step Solution
- Step 1: Write the proportion equation
128,846,958.40 : 193,245,493.91 = 50,063,330.48 : x - Step 2: Convert to fraction form
128,846,958.40/193,245,493.91 = 50,063,330.48/x - Step 3: Cross multiply
128,846,958.40x = 193,245,493.91 × 50,063,330.48 - Step 4: Simplify right side
128,846,958.40x = 9,674,513,025,387,156 - Step 5: Solve for x
x = 9,674,513,025,387,156/128,846,958.40 - Step 6: Final answer
x = 75,085,303.88
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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.