Finding the Fourth Proportional to 97,471,202.40, 146,206,803.60 and 75,788,409.60
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Solution
The fourth proportional to 97,471,202.40, 146,206,803.60 and 75,788,409.60 is: 113,682,614.40
Step by Step Solution
- Step 1: Write the proportion equation
97,471,202.40 : 146,206,803.60 = 75,788,409.60 : x - Step 2: Convert to fraction form
97,471,202.40/146,206,803.60 = 75,788,409.60/x - Step 3: Cross multiply
97,471,202.40x = 146,206,803.60 × 75,788,409.60 - Step 4: Simplify right side
97,471,202.40x = 11,080,781,117,543,554 - Step 5: Solve for x
x = 11,080,781,117,543,554/97,471,202.40 - Step 6: Final answer
x = 113,682,614.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.