Finding the Fourth Proportional to 113,245,977.96, 169,815,296.68 and 39,444,018.95
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Solution
The fourth proportional to 113,245,977.96, 169,815,296.68 and 39,444,018.95 is: 59,147,334.87
Step by Step Solution
- Step 1: Write the proportion equation
113,245,977.96 : 169,815,296.68 = 39,444,018.95 : x - Step 2: Convert to fraction form
113,245,977.96/169,815,296.68 = 39,444,018.95/x - Step 3: Cross multiply
113,245,977.96x = 169,815,296.68 × 39,444,018.95 - Step 4: Simplify right side
113,245,977.96x = 6,698,197,780,571,721 - Step 5: Solve for x
x = 6,698,197,780,571,721/113,245,977.96 - Step 6: Final answer
x = 59,147,334.87
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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.