Finding the Fourth Proportional to 147,158,523.46, 203,083,366.35 and 84,446,105.14
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Solution
The fourth proportional to 147,158,523.46, 203,083,366.35 and 84,446,105.14 is: 116,538,267.06
Step by Step Solution
- Step 1: Write the proportion equation
147,158,523.46 : 203,083,366.35 = 84,446,105.14 : x - Step 2: Convert to fraction form
147,158,523.46/203,083,366.35 = 84,446,105.14/x - Step 3: Cross multiply
147,158,523.46x = 203,083,366.35 × 84,446,105.14 - Step 4: Simplify right side
147,158,523.46x = 17,149,599,306,977,238 - Step 5: Solve for x
x = 17,149,599,306,977,238/147,158,523.46 - Step 6: Final answer
x = 116,538,267.06
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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.