Finding the Fourth Proportional to 106,473,704.20, 146,934,154.68 and 57,581,132.20
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Solution
The fourth proportional to 106,473,704.20, 146,934,154.68 and 57,581,132.20 is: 79,462,201.95
Step by Step Solution
- Step 1: Write the proportion equation
106,473,704.20 : 146,934,154.68 = 57,581,132.20 : x - Step 2: Convert to fraction form
106,473,704.20/146,934,154.68 = 57,581,132.20/x - Step 3: Cross multiply
106,473,704.20x = 146,934,154.68 × 57,581,132.20 - Step 4: Simplify right side
106,473,704.20x = 8,460,634,985,324,330 - Step 5: Solve for x
x = 8,460,634,985,324,330/106,473,704.20 - Step 6: Final answer
x = 79,462,201.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.