Finding the Fourth Proportional to 52,908,324.73, 79,372,707.41 and 20,116,343.95
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Solution
The fourth proportional to 52,908,324.73, 79,372,707.41 and 20,116,343.95 is: 30,178,401.80
Step by Step Solution
- Step 1: Write the proportion equation
52,908,324.73 : 79,372,707.41 = 20,116,343.95 : x - Step 2: Convert to fraction form
52,908,324.73/79,372,707.41 = 20,116,343.95/x - Step 3: Cross multiply
52,908,324.73x = 79,372,707.41 × 20,116,343.95 - Step 4: Simplify right side
52,908,324.73x = 1,596,688,682,354,132.75 - Step 5: Solve for x
x = 1,596,688,682,354,132.75/52,908,324.73 - Step 6: Final answer
x = 30,178,401.80
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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.