Finding the Fourth Proportional to 176,278,474.13, 243,244,977.48 and 101,927,782.96
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Solution
The fourth proportional to 176,278,474.13, 243,244,977.48 and 101,927,782.96 is: 140,649,171.11
Step by Step Solution
- Step 1: Write the proportion equation
176,278,474.13 : 243,244,977.48 = 101,927,782.96 : x - Step 2: Convert to fraction form
176,278,474.13/243,244,977.48 = 101,927,782.96/x - Step 3: Cross multiply
176,278,474.13x = 243,244,977.48 × 101,927,782.96 - Step 4: Simplify right side
176,278,474.13x = 24,793,421,270,083,412 - Step 5: Solve for x
x = 24,793,421,270,083,412/176,278,474.13 - Step 6: Final answer
x = 140,649,171.11
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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.