Finding the Fourth Proportional to 45,888,020.80, 68,749,087.20 and 26,703,073.60
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Solution
The fourth proportional to 45,888,020.80, 68,749,087.20 and 26,703,073.60 is: 40,006,343.78
Step by Step Solution
- Step 1: Write the proportion equation
45,888,020.80 : 68,749,087.20 = 26,703,073.60 : x - Step 2: Convert to fraction form
45,888,020.80/68,749,087.20 = 26,703,073.60/x - Step 3: Cross multiply
45,888,020.80x = 68,749,087.20 × 26,703,073.60 - Step 4: Simplify right side
45,888,020.80x = 1,835,811,935,434,418 - Step 5: Solve for x
x = 1,835,811,935,434,418/45,888,020.80 - Step 6: Final answer
x = 40,006,343.78
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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.