Finding the Fourth Proportional to 124,524,905.40, 186,535,415.70 and 86,229,660.60
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Solution
The fourth proportional to 124,524,905.40, 186,535,415.70 and 86,229,660.60 is: 129,170,028.55
Step by Step Solution
- Step 1: Write the proportion equation
124,524,905.40 : 186,535,415.70 = 86,229,660.60 : x - Step 2: Convert to fraction form
124,524,905.40/186,535,415.70 = 86,229,660.60/x - Step 3: Cross multiply
124,524,905.40x = 186,535,415.70 × 86,229,660.60 - Step 4: Simplify right side
124,524,905.40x = 16,084,885,585,690,910 - Step 5: Solve for x
x = 16,084,885,585,690,910/124,524,905.40 - Step 6: Final answer
x = 129,170,028.55
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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.