Finding the Fourth Proportional to 128,736,470.48, 193,086,524.47 and 41,286,623.92
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Solution
The fourth proportional to 128,736,470.48, 193,086,524.47 and 41,286,623.92 is: 61,924,105.03
Step by Step Solution
- Step 1: Write the proportion equation
128,736,470.48 : 193,086,524.47 = 41,286,623.92 : x - Step 2: Convert to fraction form
128,736,470.48/193,086,524.47 = 41,286,623.92/x - Step 3: Cross multiply
128,736,470.48x = 193,086,524.47 × 41,286,623.92 - Step 4: Simplify right side
128,736,470.48x = 7,971,890,719,812,768 - Step 5: Solve for x
x = 7,971,890,719,812,768/128,736,470.48 - Step 6: Final answer
x = 61,924,105.03
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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.