Finding the Fourth Proportional to 68,262,021.20, 102,465,897.68 and 29,419,642.26
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Solution
The fourth proportional to 68,262,021.20, 102,465,897.68 and 29,419,642.26 is: 44,160,867.21
Step by Step Solution
- Step 1: Write the proportion equation
68,262,021.20 : 102,465,897.68 = 29,419,642.26 : x - Step 2: Convert to fraction form
68,262,021.20/102,465,897.68 = 29,419,642.26/x - Step 3: Cross multiply
68,262,021.20x = 102,465,897.68 × 29,419,642.26 - Step 4: Simplify right side
68,262,021.20x = 3,014,510,053,668,913.50 - Step 5: Solve for x
x = 3,014,510,053,668,913.50/68,262,021.20 - Step 6: Final answer
x = 44,160,867.21
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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.