Finding the Fourth Proportional to 85,711,134, 128,600,765.28 and 27,427,791.36
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Solution
The fourth proportional to 85,711,134, 128,600,765.28 and 27,427,791.36 is: 41,152,587.70
Step by Step Solution
- Step 1: Write the proportion equation
85,711,134 : 128,600,765.28 = 27,427,791.36 : x - Step 2: Convert to fraction form
85,711,134/128,600,765.28 = 27,427,791.36/x - Step 3: Cross multiply
85,711,134x = 128,600,765.28 × 27,427,791.36 - Step 4: Simplify right side
85,711,134x = 3,527,234,958,836,172 - Step 5: Solve for x
x = 3,527,234,958,836,172/85,711,134 - Step 6: Final answer
x = 41,152,587.70
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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.