Finding the Fourth Proportional to 113,488,469.98, 170,256,615.93 and 36,805,518.94
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Solution
The fourth proportional to 113,488,469.98, 170,256,615.93 and 36,805,518.94 is: 55,216,032.99
Step by Step Solution
- Step 1: Write the proportion equation
113,488,469.98 : 170,256,615.93 = 36,805,518.94 : x - Step 2: Convert to fraction form
113,488,469.98/170,256,615.93 = 36,805,518.94/x - Step 3: Cross multiply
113,488,469.98x = 170,256,615.93 × 36,805,518.94 - Step 4: Simplify right side
113,488,469.98x = 6,266,383,102,271,921 - Step 5: Solve for x
x = 6,266,383,102,271,921/113,488,469.98 - Step 6: Final answer
x = 55,216,032.99
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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.