Finding the Fourth Proportional to 170,675,961.36, 235,533,447.12 and 92,359,506.72
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Solution
The fourth proportional to 170,675,961.36, 235,533,447.12 and 92,359,506.72 is: 127,456,455.02
Step by Step Solution
- Step 1: Write the proportion equation
170,675,961.36 : 235,533,447.12 = 92,359,506.72 : x - Step 2: Convert to fraction form
170,675,961.36/235,533,447.12 = 92,359,506.72/x - Step 3: Cross multiply
170,675,961.36x = 235,533,447.12 × 92,359,506.72 - Step 4: Simplify right side
170,675,961.36x = 21,753,752,992,064,404 - Step 5: Solve for x
x = 21,753,752,992,064,404/170,675,961.36 - Step 6: Final answer
x = 127,456,455.02
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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.